[0] 0.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 1.164.179.152.in-addr.arpa. domain name pointer 370.ATM0-0.GW9.DCA5.ALTER.NET
[21600] 2.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 3.164.179.152.in-addr.arpa.: domain name does not exist
[0] 4.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 5.164.179.152.in-addr.arpa. domain name pointer 50.GigabitEthernet5-1-4.GW8.DCA5.ALTER.NET
[21600] 6.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 7.164.179.152.in-addr.arpa.: domain name does not exist
[0] 8.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 9.164.179.152.in-addr.arpa. domain name pointer 18.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 10.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 11.164.179.152.in-addr.arpa.: domain name does not exist
[0] 12.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 13.164.179.152.in-addr.arpa. domain name pointer 500.Serial2-2-2-13-0.GW8.DCA5.ALTER.NET
[21600] 14.164.179.152.in-addr.arpa. domain name pointer mtennon-gw.customer.alter.net
[0] 15.164.179.152.in-addr.arpa.: domain name does not exist
[0] 16.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 17.164.179.152.in-addr.arpa. domain name pointer 202.GigabitEthernet0-1-0-0.GW5.DCA5.ALTER.NET
[21600] 18.164.179.152.in-addr.arpa. domain name pointer ctc-gw.customer.alter.net
[0] 19.164.179.152.in-addr.arpa.: domain name does not exist
[0] 20.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 21.164.179.152.in-addr.arpa. domain name pointer 132.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 22.164.179.152.in-addr.arpa. domain name pointer sysplan-gw.customer.alter.net
[0] 23.164.179.152.in-addr.arpa.: domain name does not exist
[0] 24.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 25.164.179.152.in-addr.arpa. domain name pointer 129.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 26.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 27.164.179.152.in-addr.arpa.: domain name does not exist
[0] 28.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 29.164.179.152.in-addr.arpa. domain name pointer 227.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 30.164.179.152.in-addr.arpa. domain name pointer donohoe-gw.customer.alter.net
[0] 31.164.179.152.in-addr.arpa.: domain name does not exist
[0] 32.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 33.164.179.152.in-addr.arpa. domain name pointer 500.Serial3-3-1-16-0.GW9.DCA5.ALTER.NET
[21600] 34.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 35.164.179.152.in-addr.arpa.: domain name does not exist
[0] 36.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 37.164.179.152.in-addr.arpa. domain name pointer 204.GigabitEthernet0-1-0-5.GW5.DCA5.ALTER.NET
[21600] 38.164.179.152.in-addr.arpa. domain name pointer cal-gw.customer.alter.net
[0] 39.164.179.152.in-addr.arpa.: domain name does not exist
[0] 40.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 41.164.179.152.in-addr.arpa. domain name pointer 500.MFR646.GW8.DCA5.ALTER.NET
[21600] 42.164.179.152.in-addr.arpa. domain name pointer mww-gw.customer.alter.net
[0] 43.164.179.152.in-addr.arpa.: domain name does not exist
[0] 44.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 45.164.179.152.in-addr.arpa. domain name pointer 31.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 46.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 47.164.179.152.in-addr.arpa.: domain name does not exist
[0] 48.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 49.164.179.152.in-addr.arpa. domain name pointer 806.ATM0-0.GW8.DCA5.ALTER.NET
[21600] 50.164.179.152.in-addr.arpa. domain name pointer bnrtech-gw.customer.alter.net
[0] 51.164.179.152.in-addr.arpa.: domain name does not exist
[0] 52.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 53.164.179.152.in-addr.arpa. domain name pointer 500.Serial4-2-3-16-0.GW8.DCA5.ALTER.NET
[21600] 54.164.179.152.in-addr.arpa. domain name pointer mearsgreatoaklanding-gw.customer.alter.net
[0] 55.164.179.152.in-addr.arpa.: domain name does not exist
[0] 56.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 57.164.179.152.in-addr.arpa. domain name pointer Serial1-2-10.GW70.DCA5.ALTER.NET
[21600] 58.164.179.152.in-addr.arpa. domain name pointer associates.dhs-gw.customer.alter.net
[0] 59.164.179.152.in-addr.arpa.: domain name does not exist
[0] 60.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 61.164.179.152.in-addr.arpa. domain name pointer 212.GigabitEthernet5-1-4.GW8.DCA5.ALTER.NET
[21600] 62.164.179.152.in-addr.arpa. domain name pointer trans-mgmt-gw.customer.alter.net
[0] 63.164.179.152.in-addr.arpa.: domain name does not exist
[0] 64.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 65.164.179.152.in-addr.arpa. domain name pointer 500.Serial1-3-1-27-0.GW9.DCA5.ALTER.NET
[21600] 66.164.179.152.in-addr.arpa. domain name pointer dullescasecenter-gw.customer.alter.net
[0] 67.164.179.152.in-addr.arpa.: domain name does not exist
[0] 68.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 69.164.179.152.in-addr.arpa. domain name pointer 500.Serial2-0-2-23-0.GW9.DCA5.ALTER.NET
[21600] 70.164.179.152.in-addr.arpa. domain name pointer hotmail-gw.customer.alter.net
[0] 71.164.179.152.in-addr.arpa.: domain name does not exist
[0] 72.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 73.164.179.152.in-addr.arpa. domain name pointer 26.GigabitEthernet3-2.GW3.DCA5.ALTER.NET
[21600] 74.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 75.164.179.152.in-addr.arpa.: domain name does not exist
[0] 76.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 77.164.179.152.in-addr.arpa. domain name pointer 500.Serial1-0-11-16-0.GW4.DCA5.ALTER.NET
[21600] 78.164.179.152.in-addr.arpa. domain name pointer tribles-gw.customer.alter.net
[0] 79.164.179.152.in-addr.arpa.: domain name does not exist
[0] 80.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 81.164.179.152.in-addr.arpa. domain name pointer 500.Serial4-1-3-13-0.GW8.DCA5.ALTER.NET
[21600] 82.164.179.152.in-addr.arpa. domain name pointer tribles-gw.customer.alter.net
[0] 83.164.179.152.in-addr.arpa.: domain name does not exist
[0] 84.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 85.164.179.152.in-addr.arpa. domain name pointer 500.Serial5-0-8-24-0.GW4.DCA5.ALTER.NET
[21600] 86.164.179.152.in-addr.arpa. domain name pointer tribles-gw.customer.alter.net
[0] 87.164.179.152.in-addr.arpa.: domain name does not exist
[0] 88.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 89.164.179.152.in-addr.arpa. domain name pointer Serial3-3-3-1-0.GW9.DCA5.ALTER.NET
[21600] 90.164.179.152.in-addr.arpa. domain name pointer 2022708968-gw.customer.alter.net
[0] 91.164.179.152.in-addr.arpa.: domain name does not exist
[0] 92.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 93.164.179.152.in-addr.arpa. domain name pointer 500.Serial2-0-0-26-0.GW9.DCA5.ALTER.NET
[21600] 94.164.179.152.in-addr.arpa. domain name pointer abco-gw.customer.alter.net
[0] 95.164.179.152.in-addr.arpa.: domain name does not exist
[0] 96.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 97.164.179.152.in-addr.arpa. domain name pointer Serial2-2-3-9-0.GW8.DCA5.ALTER.NET
[21600] 98.164.179.152.in-addr.arpa. domain name pointer bankofamerica-gw.customer.alter.net
[0] 99.164.179.152.in-addr.arpa.: domain name does not exist
[0] 100.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 101.164.179.152.in-addr.arpa. domain name pointer 177.ATM0-0.GW9.DCA5.ALTER.NET
[21600] 102.164.179.152.in-addr.arpa. domain name pointer bandwidth-gw.customer.alter.net
[0] 103.164.179.152.in-addr.arpa.: domain name does not exist
[0] 104.164.179.152.in-addr.arpa.: domain name does not exist
[0] 105.164.179.152.in-addr.arpa.: domain name does not exist
[0] 106.164.179.152.in-addr.arpa.: domain name does not exist
[0] 107.164.179.152.in-addr.arpa.: domain name does not exist
[0] 108.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 109.164.179.152.in-addr.arpa. domain name pointer 500.Serial3-0-10-8-0.GW2.DCA5.ALTER.NET
[21600] 110.164.179.152.in-addr.arpa. domain name pointer gemmistech-gw.customer.alter.net
[0] 111.164.179.152.in-addr.arpa.: domain name does not exist
[0] 112.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 113.164.179.152.in-addr.arpa. domain name pointer 71.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 114.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 115.164.179.152.in-addr.arpa.: domain name does not exist
[0] 116.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 117.164.179.152.in-addr.arpa. domain name pointer 178.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 118.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 119.164.179.152.in-addr.arpa.: domain name does not exist
[0] 120.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 121.164.179.152.in-addr.arpa. domain name pointer 500.MFR981.GW4.DCA5.ALTER.NET
[21600] 122.164.179.152.in-addr.arpa. domain name pointer oedworks-gw.customer.alter.net
[0] 123.164.179.152.in-addr.arpa.: domain name does not exist
[0] 124.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 125.164.179.152.in-addr.arpa. domain name pointer 500.Serial1-0-2-10-0.GW4.DCA5.ALTER.NET
[21600] 126.164.179.152.in-addr.arpa. domain name pointer eyedoctorsofdc-gw.customer.alter.net
[0] 127.164.179.152.in-addr.arpa.: domain name does not exist
[0] 128.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 129.164.179.152.in-addr.arpa. domain name pointer 500.Serial2-3-3-17-0.GW9.DCA5.ALTER.NET
[21600] 130.164.179.152.in-addr.arpa. domain name pointer bbtlogistics-gw.customer.alter.net
[0] 131.164.179.152.in-addr.arpa.: domain name does not exist
[0] 132.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 133.164.179.152.in-addr.arpa. domain name pointer 288.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 134.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 135.164.179.152.in-addr.arpa.: domain name does not exist
[0] 136.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 137.164.179.152.in-addr.arpa. domain name pointer 500.Serial2-2-3-15-0.GW8.DCA5.ALTER.NET
[21600] 138.164.179.152.in-addr.arpa. domain name pointer tribles-gw.customer.alter.net
[0] 139.164.179.152.in-addr.arpa.: domain name does not exist
[0] 140.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 141.164.179.152.in-addr.arpa. domain name pointer 500.MFR1100.GW9.DCA5.ALTER.NET
[21600] 142.164.179.152.in-addr.arpa. domain name pointer tbd-gw.customer.alter.net
[0] 143.164.179.152.in-addr.arpa.: domain name does not exist
[0] 144.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 145.164.179.152.in-addr.arpa. domain name pointer 500.MFR727.GW9.DCA5.ALTER.NET
[21600] 146.164.179.152.in-addr.arpa. domain name pointer tbd-gw.customer.alter.net
[0] 147.164.179.152.in-addr.arpa.: domain name does not exist
[0] 148.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 149.164.179.152.in-addr.arpa. domain name pointer 500.MFR487.GW4.DCA5.ALTER.NET
[21600] 150.164.179.152.in-addr.arpa. domain name pointer heliontechnologies-gw.customer.alter.net
[0] 151.164.179.152.in-addr.arpa.: domain name does not exist
[0] 152.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 153.164.179.152.in-addr.arpa. domain name pointer 500.Serial4-3-2-27-0.GW8.DCA5.ALTER.NET
[21600] 154.164.179.152.in-addr.arpa. domain name pointer efsci-gw.customer.alter.net
[0] 155.164.179.152.in-addr.arpa.: domain name does not exist
[0] 156.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 157.164.179.152.in-addr.arpa. domain name pointer 500.Serial4-2-0-19-0.GW8.DCA5.ALTER.NET
[21600] 158.164.179.152.in-addr.arpa. domain name pointer cosmosclub-gw.customer.alter.net
[0] 159.164.179.152.in-addr.arpa.: domain name does not exist
[0] 160.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 161.164.179.152.in-addr.arpa. domain name pointer TenGigE0-1-2-0.GW5.DCA5.ALTER.NET
[21600] 162.164.179.152.in-addr.arpa. domain name pointer dft-gw.customer.alter.net
[0] 163.164.179.152.in-addr.arpa.: domain name does not exist
[0] 164.164.179.152.in-addr.arpa.: domain name does not exist
[0] 165.164.179.152.in-addr.arpa.: domain name does not exist
[0] 166.164.179.152.in-addr.arpa.: domain name does not exist
[0] 167.164.179.152.in-addr.arpa.: domain name does not exist
[0] 168.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 169.164.179.152.in-addr.arpa. domain name pointer 558.ATM0-0.GW8.DCA5.ALTER.NET
[21600] 170.164.179.152.in-addr.arpa. domain name pointer vzwblackberry-gw.customer.alter.net
[0] 171.164.179.152.in-addr.arpa.: domain name does not exist
[0] 172.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 173.164.179.152.in-addr.arpa. domain name pointer 500.Serial2-1-1-1-0.GW8.DCA5.ALTER.NET
[21600] 174.164.179.152.in-addr.arpa. domain name pointer golombard-gw.customer.alter.net
[0] 175.164.179.152.in-addr.arpa.: domain name does not exist
[0] 176.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 177.164.179.152.in-addr.arpa. domain name pointer Serial2-0.GW2.DCA5.ALTER.NET
[21600] 178.164.179.152.in-addr.arpa. domain name pointer epa-gw.customer.alter.net
[0] 179.164.179.152.in-addr.arpa.: domain name does not exist
[0] 180.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 181.164.179.152.in-addr.arpa. domain name pointer 250.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 182.164.179.152.in-addr.arpa. domain name pointer UCMPLCgw.customer.alter.net
[0] 183.164.179.152.in-addr.arpa.: domain name does not exist
[0] 184.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 185.164.179.152.in-addr.arpa. domain name pointer 239.GigabitEthernet1-0-4.GW8.DCA5.ALTER.NET
[21600] 186.164.179.152.in-addr.arpa. domain name pointer corcoran-gw.customer.alter.net
[0] 187.164.179.152.in-addr.arpa.: domain name does not exist
[0] 188.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 189.164.179.152.in-addr.arpa. domain name pointer 500.MFR800.GW2.DCA5.ALTER.NET
[21600] 190.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 191.164.179.152.in-addr.arpa.: domain name does not exist
[0] 192.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 193.164.179.152.in-addr.arpa. domain name pointer 201.GigabitEthernet0-1-0-6.GW5.DCA5.ALTER.NET
[21600] 194.164.179.152.in-addr.arpa. domain name pointer marriott-gw.customer.alter.net
[0] 195.164.179.152.in-addr.arpa.: domain name does not exist
[0] 196.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 197.164.179.152.in-addr.arpa. domain name pointer 500.MFR755.GW8.DCA5.ALTER.NET
[21600] 198.164.179.152.in-addr.arpa. domain name pointer chem-pak-gw.customer.alter.net
[0] 199.164.179.152.in-addr.arpa.: domain name does not exist
[0] 200.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 201.164.179.152.in-addr.arpa. domain name pointer 206.ATM0-0.GW9.DCA5.ALTER.NET
[21600] 202.164.179.152.in-addr.arpa. domain name pointer singlesource-gw.customer.alter.net
[0] 203.164.179.152.in-addr.arpa.: domain name does not exist
[0] 204.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 205.164.179.152.in-addr.arpa. domain name pointer 500.MFR1600.GW9.DCA5.ALTER.NET
[21600] 206.164.179.152.in-addr.arpa. domain name pointer toysfortots-gw.customer.alter.net
[0] 207.164.179.152.in-addr.arpa.: domain name does not exist
[0] 208.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 209.164.179.152.in-addr.arpa. domain name pointer 283.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 210.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 211.164.179.152.in-addr.arpa.: domain name does not exist
[0] 212.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 213.164.179.152.in-addr.arpa. domain name pointer 144.ATM0-0.GW8.DCA5.ALTER.NET
[21600] 214.164.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 215.164.179.152.in-addr.arpa.: domain name does not exist
[0] 216.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 217.164.179.152.in-addr.arpa. domain name pointer 213.GigabitEthernet5-1-4.GW8.DCA5.ALTER.NET
[21600] 218.164.179.152.in-addr.arpa. domain name pointer lionbridge-gw.customer.alter.net
[0] 219.164.179.152.in-addr.arpa.: domain name does not exist
[0] 220.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 221.164.179.152.in-addr.arpa. domain name pointer 609.ATM0-0.GW8.DCA5.ALTER.NET
[21600] 222.164.179.152.in-addr.arpa. domain name pointer rebounderzsterling-gw.customer.alter.net
[0] 223.164.179.152.in-addr.arpa.: domain name does not exist
[0] 224.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 225.164.179.152.in-addr.arpa. domain name pointer 500.MFR512.GW8.DCA5.ALTER.NET
[21600] 226.164.179.152.in-addr.arpa. domain name pointer norkom-gw.customer.alter.net
[0] 227.164.179.152.in-addr.arpa.: domain name does not exist
[0] 228.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 229.164.179.152.in-addr.arpa. domain name pointer 204.GigabitEthernet0-1-0-0.GW5.DCA5.ALTER.NET
[21600] 230.164.179.152.in-addr.arpa. domain name pointer logsup-gw.customer.alter.net
[0] 231.164.179.152.in-addr.arpa.: domain name does not exist
[0] 232.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 233.164.179.152.in-addr.arpa. domain name pointer 500.MFR947.GW9.DCA5.ALTER.NET
[21600] 234.164.179.152.in-addr.arpa. domain name pointer gmail-gw.customer.alter.net
[0] 235.164.179.152.in-addr.arpa.: domain name does not exist
[0] 236.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 237.164.179.152.in-addr.arpa. domain name pointer 500.Serial1-0-8-23-0.GW4.DCA5.ALTER.NET
[21600] 238.164.179.152.in-addr.arpa. domain name pointer fairfax-gw.customer.alter.net
[0] 239.164.179.152.in-addr.arpa.: domain name does not exist
[0] 240.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 241.164.179.152.in-addr.arpa. domain name pointer 500.Serial2-1-3-6-0.GW8.DCA5.ALTER.NET
[21600] 242.164.179.152.in-addr.arpa. domain name pointer abco-philadelphia-gw.customer.alter.net
[0] 243.164.179.152.in-addr.arpa.: domain name does not exist
[0] 244.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 245.164.179.152.in-addr.arpa. domain name pointer 220.ATM0-0.GW9.DCA5.ALTER.NET
[21600] 246.164.179.152.in-addr.arpa. domain name pointer wagman-gw.customer.alter.net
[0] 247.164.179.152.in-addr.arpa.: domain name does not exist
[0] 248.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 249.164.179.152.in-addr.arpa. domain name pointer 50.GigabitEthernet0-0-0.GW10.DCA5.ALTER.NET
[21600] 250.164.179.152.in-addr.arpa. domain name pointer valleyproteins-gw.customer.alter.net
[0] 251.164.179.152.in-addr.arpa.: domain name does not exist
[0] 252.164.179.152.in-addr.arpa.: domain name does not exist
[21600] 253.164.179.152.in-addr.arpa. domain name pointer 500.MFR467.GW4.DCA5.ALTER.NET
[21600] 254.164.179.152.in-addr.arpa. domain name pointer cliniclegal-gw.customer.alter.net
[0] 255.164.179.152.in-addr.arpa.: domain name does not exist