[0] 0.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 1.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 2.45.184.194.in-addr.arpa. domain name pointer host2-45-static.184-194-b.business.telecomitalia.it [0] 3.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 4.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 5.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 6.45.184.194.in-addr.arpa. domain name pointer host6-45-static.184-194-b.business.telecomitalia.it [0] 7.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 8.45.184.194.in-addr.arpa. domain name pointer host8-45-static.184-194-b.business.telecomitalia.it [0] 9.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 10.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 11.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 12.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 13.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 14.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 15.45.184.194.in-addr.arpa. domain name pointer host15-45-static.184-194-b.business.telecomitalia.it [43200] 16.45.184.194.in-addr.arpa. domain name pointer host16-45-static.184-194-b.business.telecomitalia.it [0] 17.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 18.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 19.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 20.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 21.45.184.194.in-addr.arpa. domain name pointer host21-45-static.184-194-b.business.telecomitalia.it [43200] 22.45.184.194.in-addr.arpa. domain name pointer host22-45-static.184-194-b.business.telecomitalia.it [0] 23.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 24.45.184.194.in-addr.arpa. domain name pointer host24-45-static.184-194-b.business.telecomitalia.it [0] 25.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 26.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 27.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 28.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 29.45.184.194.in-addr.arpa. domain name pointer host29-45-static.184-194-b.business.telecomitalia.it [43200] 30.45.184.194.in-addr.arpa. domain name pointer host30-45-static.184-194-b.business.telecomitalia.it [43200] 31.45.184.194.in-addr.arpa. domain name pointer host31-45-static.184-194-b.business.telecomitalia.it [0] 32.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 33.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 34.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 35.45.184.194.in-addr.arpa. domain name pointer host35-45-static.184-194-b.business.telecomitalia.it [0] 36.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 37.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 38.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 39.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 40.45.184.194.in-addr.arpa. domain name pointer host40-45-static.184-194-b.business.telecomitalia.it [43200] 41.45.184.194.in-addr.arpa. domain name pointer host41-45-static.184-194-b.business.telecomitalia.it [0] 42.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 43.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 44.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 45.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 46.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 47.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 48.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 49.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 50.45.184.194.in-addr.arpa. domain name pointer host50-45-static.184-194-b.business.telecomitalia.it [43200] 51.45.184.194.in-addr.arpa. domain name pointer host51-45-static.184-194-b.business.telecomitalia.it [43200] 52.45.184.194.in-addr.arpa. domain name pointer host52-45-static.184-194-b.business.telecomitalia.it [0] 53.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 54.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 55.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 56.45.184.194.in-addr.arpa. domain name pointer host56-45-static.184-194-b.business.telecomitalia.it [0] 57.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 58.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 59.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 60.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 61.45.184.194.in-addr.arpa. domain name pointer host61-45-static.184-194-b.business.telecomitalia.it [43200] 62.45.184.194.in-addr.arpa. domain name pointer host62-45-static.184-194-b.business.telecomitalia.it [43200] 63.45.184.194.in-addr.arpa. domain name pointer host63-45-static.184-194-b.business.telecomitalia.it [0] 64.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 65.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 66.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 67.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 68.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 69.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 70.45.184.194.in-addr.arpa. domain name pointer host70-45-static.184-194-b.business.telecomitalia.it [43200] 71.45.184.194.in-addr.arpa. domain name pointer host71-45-static.184-194-b.business.telecomitalia.it [43200] 72.45.184.194.in-addr.arpa. domain name pointer host72-45-static.184-194-b.business.telecomitalia.it [43200] 73.45.184.194.in-addr.arpa. domain name pointer host73-45-static.184-194-b.business.telecomitalia.it [43200] 74.45.184.194.in-addr.arpa. domain name pointer host74-45-static.184-194-b.business.telecomitalia.it [43200] 75.45.184.194.in-addr.arpa. domain name pointer host75-45-static.184-194-b.business.telecomitalia.it [43200] 76.45.184.194.in-addr.arpa. domain name pointer host76-45-static.184-194-b.business.telecomitalia.it [43200] 77.45.184.194.in-addr.arpa. domain name pointer host77-45-static.184-194-b.business.telecomitalia.it [43200] 78.45.184.194.in-addr.arpa. domain name pointer host78-45-static.184-194-b.business.telecomitalia.it [0] 79.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 80.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 81.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 82.45.184.194.in-addr.arpa. domain name pointer host82-45-static.184-194-b.business.telecomitalia.it [43200] 83.45.184.194.in-addr.arpa. domain name pointer host83-45-static.184-194-b.business.telecomitalia.it [0] 84.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 85.45.184.194.in-addr.arpa. domain name pointer host85-45-static.184-194-b.business.telecomitalia.it [43200] 86.45.184.194.in-addr.arpa. domain name pointer host86-45-static.184-194-b.business.telecomitalia.it [0] 87.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 88.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 89.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 90.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 91.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 92.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 93.45.184.194.in-addr.arpa. domain name pointer host93-45-static.184-194-b.business.telecomitalia.it [0] 94.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 95.45.184.194.in-addr.arpa. domain name pointer host95-45-static.184-194-b.business.telecomitalia.it [43200] 96.45.184.194.in-addr.arpa. domain name pointer host96-45-static.184-194-b.business.telecomitalia.it [43200] 97.45.184.194.in-addr.arpa. domain name pointer host97-45-static.184-194-b.business.telecomitalia.it [43200] 98.45.184.194.in-addr.arpa. domain name pointer host98-45-static.184-194-b.business.telecomitalia.it [0] 99.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 100.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 101.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 102.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 103.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 104.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 105.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 106.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 107.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 108.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 109.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 110.45.184.194.in-addr.arpa. domain name pointer host110-45-static.184-194-b.business.telecomitalia.it [43200] 111.45.184.194.in-addr.arpa. domain name pointer host111-45-static.184-194-b.business.telecomitalia.it [43200] 112.45.184.194.in-addr.arpa. domain name pointer host112-45-static.184-194-b.business.telecomitalia.it [0] 113.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 114.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 115.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 116.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 117.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 118.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 119.45.184.194.in-addr.arpa. domain name pointer host119-45-static.184-194-b.business.telecomitalia.it [43200] 120.45.184.194.in-addr.arpa. domain name pointer host120-45-static.184-194-b.business.telecomitalia.it [0] 121.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 122.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 123.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 124.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 125.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 126.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 127.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 128.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 129.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 130.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 131.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 132.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 133.45.184.194.in-addr.arpa. domain name pointer host133-45-static.184-194-b.business.telecomitalia.it [43200] 134.45.184.194.in-addr.arpa. domain name pointer host134-45-static.184-194-b.business.telecomitalia.it [0] 135.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 136.45.184.194.in-addr.arpa. domain name pointer host136-45-static.184-194-b.business.telecomitalia.it [43200] 137.45.184.194.in-addr.arpa. domain name pointer host137-45-static.184-194-b.business.telecomitalia.it [0] 138.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 139.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 140.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 141.45.184.194.in-addr.arpa. domain name pointer host141-45-static.184-194-b.business.telecomitalia.it [43200] 142.45.184.194.in-addr.arpa. domain name pointer host142-45-static.184-194-b.business.telecomitalia.it [43200] 143.45.184.194.in-addr.arpa. domain name pointer host143-45-static.184-194-b.business.telecomitalia.it [43200] 144.45.184.194.in-addr.arpa. domain name pointer host144-45-static.184-194-b.business.telecomitalia.it [0] 145.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 146.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 147.45.184.194.in-addr.arpa. domain name pointer host147-45-static.184-194-b.business.telecomitalia.it [43200] 148.45.184.194.in-addr.arpa. domain name pointer host148-45-static.184-194-b.business.telecomitalia.it [0] 149.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 150.45.184.194.in-addr.arpa. domain name pointer host150-45-static.184-194-b.business.telecomitalia.it [43200] 151.45.184.194.in-addr.arpa. domain name pointer host151-45-static.184-194-b.business.telecomitalia.it [0] 152.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 153.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 154.45.184.194.in-addr.arpa. domain name pointer host154-45-static.184-194-b.business.telecomitalia.it [0] 155.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 156.45.184.194.in-addr.arpa. domain name pointer host156-45-static.184-194-b.business.telecomitalia.it [43200] 157.45.184.194.in-addr.arpa. domain name pointer host157-45-static.184-194-b.business.telecomitalia.it [0] 158.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 159.45.184.194.in-addr.arpa. domain name pointer host159-45-static.184-194-b.business.telecomitalia.it [0] 160.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 161.45.184.194.in-addr.arpa. domain name pointer host161-45-static.184-194-b.business.telecomitalia.it [43200] 162.45.184.194.in-addr.arpa. domain name pointer host162-45-static.184-194-b.business.telecomitalia.it [0] 163.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 164.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 165.45.184.194.in-addr.arpa. domain name pointer host165-45-static.184-194-b.business.telecomitalia.it [0] 166.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 167.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 168.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 169.45.184.194.in-addr.arpa. domain name pointer host169-45-static.184-194-b.business.telecomitalia.it [43200] 170.45.184.194.in-addr.arpa. domain name pointer host170-45-static.184-194-b.business.telecomitalia.it [0] 171.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 172.45.184.194.in-addr.arpa. domain name pointer host172-45-static.184-194-b.business.telecomitalia.it [43200] 173.45.184.194.in-addr.arpa. domain name pointer host173-45-static.184-194-b.business.telecomitalia.it [43200] 174.45.184.194.in-addr.arpa. domain name pointer host174-45-static.184-194-b.business.telecomitalia.it [43200] 175.45.184.194.in-addr.arpa. domain name pointer host175-45-static.184-194-b.business.telecomitalia.it [43200] 176.45.184.194.in-addr.arpa. domain name pointer host176-45-static.184-194-b.business.telecomitalia.it [43200] 177.45.184.194.in-addr.arpa. domain name pointer host177-45-static.184-194-b.business.telecomitalia.it [43200] 178.45.184.194.in-addr.arpa. domain name pointer host178-45-static.184-194-b.business.telecomitalia.it [43200] 179.45.184.194.in-addr.arpa. domain name pointer host179-45-static.184-194-b.business.telecomitalia.it [43200] 180.45.184.194.in-addr.arpa. domain name pointer host180-45-static.184-194-b.business.telecomitalia.it [43200] 181.45.184.194.in-addr.arpa. domain name pointer host181-45-static.184-194-b.business.telecomitalia.it [43200] 182.45.184.194.in-addr.arpa. domain name pointer host182-45-static.184-194-b.business.telecomitalia.it [43200] 183.45.184.194.in-addr.arpa. domain name pointer host183-45-static.184-194-b.business.telecomitalia.it [43200] 184.45.184.194.in-addr.arpa. domain name pointer host184-45-static.184-194-b.business.telecomitalia.it [0] 185.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 186.45.184.194.in-addr.arpa. domain name pointer host186-45-static.184-194-b.business.telecomitalia.it [43200] 187.45.184.194.in-addr.arpa. domain name pointer host187-45-static.184-194-b.business.telecomitalia.it [0] 188.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 189.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 190.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 191.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 192.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 193.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 194.45.184.194.in-addr.arpa. domain name pointer host194-45-static.184-194-b.business.telecomitalia.it [43200] 195.45.184.194.in-addr.arpa. domain name pointer host195-45-static.184-194-b.business.telecomitalia.it [43200] 196.45.184.194.in-addr.arpa. domain name pointer host196-45-static.184-194-b.business.telecomitalia.it [43200] 197.45.184.194.in-addr.arpa. domain name pointer host197-45-static.184-194-b.business.telecomitalia.it [43200] 198.45.184.194.in-addr.arpa. domain name pointer host198-45-static.184-194-b.business.telecomitalia.it [0] 199.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 200.45.184.194.in-addr.arpa. domain name pointer host200-45-static.184-194-b.business.telecomitalia.it [43200] 201.45.184.194.in-addr.arpa. domain name pointer host201-45-static.184-194-b.business.telecomitalia.it [43200] 202.45.184.194.in-addr.arpa. domain name pointer host202-45-static.184-194-b.business.telecomitalia.it [43200] 203.45.184.194.in-addr.arpa. domain name pointer host203-45-static.184-194-b.business.telecomitalia.it [43200] 204.45.184.194.in-addr.arpa. domain name pointer host204-45-static.184-194-b.business.telecomitalia.it [0] 205.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 206.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 207.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 208.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 209.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 210.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 211.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 212.45.184.194.in-addr.arpa. domain name pointer host212-45-static.184-194-b.business.telecomitalia.it [0] 213.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 214.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 215.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 216.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 217.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 218.45.184.194.in-addr.arpa. domain name pointer host218-45-static.184-194-b.business.telecomitalia.it [43200] 219.45.184.194.in-addr.arpa. domain name pointer host219-45-static.184-194-b.business.telecomitalia.it [43200] 220.45.184.194.in-addr.arpa. domain name pointer host220-45-static.184-194-b.business.telecomitalia.it [43200] 221.45.184.194.in-addr.arpa. domain name pointer host221-45-static.184-194-b.business.telecomitalia.it [0] 222.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 223.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 224.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 225.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 226.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 227.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 228.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 229.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 230.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 231.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 232.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 233.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 234.45.184.194.in-addr.arpa. domain name pointer host234-45-static.184-194-b.business.telecomitalia.it [43200] 235.45.184.194.in-addr.arpa. domain name pointer host235-45-static.184-194-b.business.telecomitalia.it [0] 236.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 237.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 238.45.184.194.in-addr.arpa. domain name pointer host238-45-static.184-194-b.business.telecomitalia.it [0] 239.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 240.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 241.45.184.194.in-addr.arpa. domain name pointer host241-45-static.184-194-b.business.telecomitalia.it [0] 242.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 243.45.184.194.in-addr.arpa. domain name pointer host243-45-static.184-194-b.business.telecomitalia.it [43200] 244.45.184.194.in-addr.arpa. domain name pointer host244-45-static.184-194-b.business.telecomitalia.it [43200] 245.45.184.194.in-addr.arpa. domain name pointer host245-45-static.184-194-b.business.telecomitalia.it [43200] 246.45.184.194.in-addr.arpa. domain name pointer host246-45-static.184-194-b.business.telecomitalia.it [43200] 247.45.184.194.in-addr.arpa. domain name pointer host247-45-static.184-194-b.business.telecomitalia.it [0] 248.45.184.194.in-addr.arpa.: temporary failure in name resolution [0] 249.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 250.45.184.194.in-addr.arpa. domain name pointer host250-45-static.184-194-b.business.telecomitalia.it [0] 251.45.184.194.in-addr.arpa.: temporary failure in name resolution [43200] 252.45.184.194.in-addr.arpa. domain name pointer host252-45-static.184-194-b.business.telecomitalia.it [43200] 253.45.184.194.in-addr.arpa. domain name pointer host253-45-static.184-194-b.business.telecomitalia.it [43200] 254.45.184.194.in-addr.arpa. domain name pointer host254-45-static.184-194-b.business.telecomitalia.it [0] 255.45.184.194.in-addr.arpa.: temporary failure in name resolution