[0] 0.13.52.189.in-addr.arpa.: domain name does not exist
[0] 1.13.52.189.in-addr.arpa.: domain name does not exist
[0] 2.13.52.189.in-addr.arpa.: domain name does not exist
[0] 3.13.52.189.in-addr.arpa.: domain name does not exist
[0] 4.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 5.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-88-gacc08.rjo.embratel.net.br
[86400] 6.13.52.189.in-addr.arpa. domain name pointer unica-F4-0-7-88-gacc08.rjo.embratel.net.br
[0] 7.13.52.189.in-addr.arpa.: domain name does not exist
[0] 8.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 9.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-89-gacc08.rjo.embratel.net.br
[86400] 10.13.52.189.in-addr.arpa. domain name pointer r-F4-0-7-89-gacc08.rjo.embratel.net.br
[0] 11.13.52.189.in-addr.arpa.: domain name does not exist
[0] 12.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 13.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-90-gacc08.rjo.embratel.net.br
[86400] 14.13.52.189.in-addr.arpa. domain name pointer personalitee-F4-0-7-90-gacc08.rjo.embratel.net.br
[0] 15.13.52.189.in-addr.arpa.: domain name does not exist
[0] 16.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 17.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-92-gacc08.rjo.embratel.net.br
[86400] 18.13.52.189.in-addr.arpa. domain name pointer premoldados-F4-0-7-92-gacc08.rjo.embratel.net.br
[0] 19.13.52.189.in-addr.arpa.: domain name does not exist
[0] 20.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 21.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-93-gacc08.rjo.embratel.net.br
[86400] 22.13.52.189.in-addr.arpa. domain name pointer galvanotecnica-F4-0-7-93-gacc08.rjo.embratel.net.br
[0] 23.13.52.189.in-addr.arpa.: domain name does not exist
[0] 24.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 25.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-654-gacc08.rjo.embratel.net.br
[86400] 26.13.52.189.in-addr.arpa. domain name pointer novavida-F4-0-7-654-gacc08.rjo.embratel.net.br
[0] 27.13.52.189.in-addr.arpa.: domain name does not exist
[0] 28.13.52.189.in-addr.arpa.: domain name does not exist
[0] 29.13.52.189.in-addr.arpa.: domain name does not exist
[0] 30.13.52.189.in-addr.arpa.: domain name does not exist
[0] 31.13.52.189.in-addr.arpa.: domain name does not exist
[0] 32.13.52.189.in-addr.arpa.: domain name does not exist
[0] 33.13.52.189.in-addr.arpa.: domain name does not exist
[0] 34.13.52.189.in-addr.arpa.: domain name does not exist
[0] 35.13.52.189.in-addr.arpa.: domain name does not exist
[0] 36.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 37.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-25-gacc08.rjo.embratel.net.br
[86400] 38.13.52.189.in-addr.arpa. domain name pointer helistar-F4-0-7-25-gacc08.rjo.embratel.net.br
[0] 39.13.52.189.in-addr.arpa.: domain name does not exist
[0] 40.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 41.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-199-gacc08.rjo.embratel.net.br
[86400] 42.13.52.189.in-addr.arpa. domain name pointer sonardyne-F4-0-7-199-gacc08.rjo.embratel.net.br
[0] 43.13.52.189.in-addr.arpa.: domain name does not exist
[0] 44.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 45.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-59-gacc08.rjo.embratel.net.br
[86400] 46.13.52.189.in-addr.arpa. domain name pointer redealfahosp-F4-0-7-59-gacc08.rjo.embratel.net.br
[0] 47.13.52.189.in-addr.arpa.: domain name does not exist
[0] 48.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 49.13.52.189.in-addr.arpa. domain name pointer embratel-F5-2-7-720-gacc09.rjo.embratel.net.br
[86400] 50.13.52.189.in-addr.arpa. domain name pointer ttc-F5-2-7-720-gacc09.rjo.embratel.net.br
[0] 51.13.52.189.in-addr.arpa.: domain name does not exist
[0] 52.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 53.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-689-gacc08.rjo.embratel.net.br
[86400] 54.13.52.189.in-addr.arpa. domain name pointer magna-F4-0-7-689-gacc08.rjo.embratel.net.br
[0] 55.13.52.189.in-addr.arpa.: domain name does not exist
[0] 56.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 57.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-60-gacc08.rjo.embratel.net.br
[86400] 58.13.52.189.in-addr.arpa. domain name pointer cnutilidades-F4-0-7-60-gacc08.rjo.embratel.net.br
[0] 59.13.52.189.in-addr.arpa.: domain name does not exist
[0] 60.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 61.13.52.189.in-addr.arpa. domain name pointer embratel-F5-2-7-740-gacc09.rjo.embratel.net.br
[86400] 62.13.52.189.in-addr.arpa. domain name pointer bpv-F5-2-7-740-gacc09.rjo.embratel.net.br
[0] 63.13.52.189.in-addr.arpa.: domain name does not exist
[0] 64.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 65.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-62-gacc08.rjo.embratel.net.br
[86400] 66.13.52.189.in-addr.arpa. domain name pointer dova-F4-0-7-62-gacc08.rjo.embratel.net.br
[0] 67.13.52.189.in-addr.arpa.: domain name does not exist
[0] 68.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 69.13.52.189.in-addr.arpa. domain name pointer embratel-G3-0-2-10-gacc08.rjo.embratel.net.br
[86400] 70.13.52.189.in-addr.arpa. domain name pointer tst-G3-0-2-10-gacc08.rjo.embratel.net.br
[0] 71.13.52.189.in-addr.arpa.: domain name does not exist
[0] 72.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 73.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-63-gacc08.rjo.embratel.net.br
[86400] 74.13.52.189.in-addr.arpa. domain name pointer evtec-F4-0-7-63-gacc08.rjo.embratel.net.br
[0] 75.13.52.189.in-addr.arpa.: domain name does not exist
[0] 76.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 77.13.52.189.in-addr.arpa. domain name pointer embratel-M384-gacc08.rjo.embratel.net.br
[86400] 78.13.52.189.in-addr.arpa. domain name pointer dodi-M384-gacc08.rjo.embratel.net.br
[0] 79.13.52.189.in-addr.arpa.: domain name does not exist
[0] 80.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 81.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-64-gacc08.rjo.embratel.net.br
[86400] 82.13.52.189.in-addr.arpa. domain name pointer positivario-F4-0-7-64-gacc08.rjo.embratel.net.br
[0] 83.13.52.189.in-addr.arpa.: domain name does not exist
[0] 84.13.52.189.in-addr.arpa.: domain name does not exist
[0] 85.13.52.189.in-addr.arpa.: domain name does not exist
[0] 86.13.52.189.in-addr.arpa.: domain name does not exist
[0] 87.13.52.189.in-addr.arpa.: domain name does not exist
[0] 88.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 89.13.52.189.in-addr.arpa. domain name pointer embratel-S2-3-0-1-2-4-3-0-gacc08.rjo.embratel.net.br
[86400] 90.13.52.189.in-addr.arpa. domain name pointer fischer-S2-3-0-1-2-4-3-0-gacc08.rjo.embratel.net.br
[0] 91.13.52.189.in-addr.arpa.: domain name does not exist
[0] 92.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 93.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-16-gacc08.rjo.embratel.net.br
[86400] 94.13.52.189.in-addr.arpa. domain name pointer drika-F4-0-7-16-gacc08.rjo.embratel.net.br
[0] 95.13.52.189.in-addr.arpa.: domain name does not exist
[0] 96.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 97.13.52.189.in-addr.arpa. domain name pointer embratel-S2-3-0-1-2-3-2-0-gacc08.rjo.embratel.net.br
[86400] 98.13.52.189.in-addr.arpa. domain name pointer hebron-S2-3-0-1-2-3-2-0-gacc08.rjo.embratel.net.br
[0] 99.13.52.189.in-addr.arpa.: domain name does not exist
[0] 100.13.52.189.in-addr.arpa.: domain name does not exist
[0] 101.13.52.189.in-addr.arpa.: domain name does not exist
[0] 102.13.52.189.in-addr.arpa.: domain name does not exist
[0] 103.13.52.189.in-addr.arpa.: domain name does not exist
[0] 104.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 105.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-65-gacc08.rjo.embratel.net.br
[86400] 106.13.52.189.in-addr.arpa. domain name pointer sotrel-F4-0-7-65-gacc08.rjo.embratel.net.br
[0] 107.13.52.189.in-addr.arpa.: domain name does not exist
[0] 108.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 109.13.52.189.in-addr.arpa. domain name pointer embratel-S4-1-0-1-2-3-1-2-gacc08.rjo.embratel.net.br
[86400] 110.13.52.189.in-addr.arpa. domain name pointer america-S4-1-0-1-2-3-1-2-gacc08.rjo.embratel.net.br
[0] 111.13.52.189.in-addr.arpa.: domain name does not exist
[0] 112.13.52.189.in-addr.arpa.: domain name does not exist
[0] 113.13.52.189.in-addr.arpa.: domain name does not exist
[0] 114.13.52.189.in-addr.arpa.: domain name does not exist
[0] 115.13.52.189.in-addr.arpa.: domain name does not exist
[0] 116.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 117.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-66-gacc08.rjo.embratel.net.br
[86400] 118.13.52.189.in-addr.arpa. domain name pointer l-r-b-F4-0-7-66-gacc08.rjo.embratel.net.br
[0] 119.13.52.189.in-addr.arpa.: domain name does not exist
[0] 120.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 121.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-67-gacc08.rjo.embratel.net.br
[86400] 122.13.52.189.in-addr.arpa. domain name pointer jequitiba-F4-0-7-67-gacc08.rjo.embratel.net.br
[0] 123.13.52.189.in-addr.arpa.: domain name does not exist
[0] 124.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 125.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-68-gacc08.rjo.embratel.net.br
[86400] 126.13.52.189.in-addr.arpa. domain name pointer j-F4-0-7-68-gacc08.rjo.embratel.net.br
[0] 127.13.52.189.in-addr.arpa.: domain name does not exist
[0] 128.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 129.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-676-gacc08.rjo.embratel.net.br
[86400] 130.13.52.189.in-addr.arpa. domain name pointer lpr-F4-0-7-676-gacc08.rjo.embratel.net.br
[0] 131.13.52.189.in-addr.arpa.: domain name does not exist
[0] 132.13.52.189.in-addr.arpa.: domain name does not exist
[0] 133.13.52.189.in-addr.arpa.: domain name does not exist
[0] 134.13.52.189.in-addr.arpa.: domain name does not exist
[0] 135.13.52.189.in-addr.arpa.: domain name does not exist
[0] 136.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 137.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-70-gacc08.rjo.embratel.net.br
[86400] 138.13.52.189.in-addr.arpa. domain name pointer ass--F4-0-7-70-gacc08.rjo.embratel.net.br
[0] 139.13.52.189.in-addr.arpa.: domain name does not exist
[0] 140.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 141.13.52.189.in-addr.arpa. domain name pointer embratel-S3-3-0-1-1-7-1-0-gacc06.rjo.embratel.net.br
[86400] 142.13.52.189.in-addr.arpa. domain name pointer sesc-S3-3-0-1-1-7-1-0-gacc06.rjo.embratel.net.br
[0] 143.13.52.189.in-addr.arpa.: domain name does not exist
[0] 144.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 145.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-71-gacc08.rjo.embratel.net.br
[86400] 146.13.52.189.in-addr.arpa. domain name pointer airspeed-F4-0-7-71-gacc08.rjo.embratel.net.br
[0] 147.13.52.189.in-addr.arpa.: domain name does not exist
[0] 148.13.52.189.in-addr.arpa.: domain name does not exist
[0] 149.13.52.189.in-addr.arpa.: domain name does not exist
[0] 150.13.52.189.in-addr.arpa.: domain name does not exist
[0] 151.13.52.189.in-addr.arpa.: domain name does not exist
[0] 152.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 153.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-72-gacc08.rjo.embratel.net.br
[86400] 154.13.52.189.in-addr.arpa. domain name pointer bremen-F4-0-7-72-gacc08.rjo.embratel.net.br
[0] 155.13.52.189.in-addr.arpa.: domain name does not exist
[0] 156.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 157.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-73-gacc08.rjo.embratel.net.br
[86400] 158.13.52.189.in-addr.arpa. domain name pointer micro-F4-0-7-73-gacc08.rjo.embratel.net.br
[0] 159.13.52.189.in-addr.arpa.: domain name does not exist
[0] 160.13.52.189.in-addr.arpa.: domain name does not exist
[0] 161.13.52.189.in-addr.arpa.: domain name does not exist
[0] 162.13.52.189.in-addr.arpa.: domain name does not exist
[0] 163.13.52.189.in-addr.arpa.: domain name does not exist
[0] 164.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 165.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-118-gacc08.rjo.embratel.net.br
[86400] 166.13.52.189.in-addr.arpa. domain name pointer clinicarj-F4-0-7-118-gacc08.rjo.embratel.net.br
[0] 167.13.52.189.in-addr.arpa.: domain name does not exist
[0] 168.13.52.189.in-addr.arpa.: domain name does not exist
[0] 169.13.52.189.in-addr.arpa.: domain name does not exist
[0] 170.13.52.189.in-addr.arpa.: domain name does not exist
[0] 171.13.52.189.in-addr.arpa.: domain name does not exist
[0] 172.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 173.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-76-gacc08.rjo.embratel.net.br
[86400] 174.13.52.189.in-addr.arpa. domain name pointer rcc-F4-0-7-76-gacc08.rjo.embratel.net.br
[0] 175.13.52.189.in-addr.arpa.: domain name does not exist
[0] 176.13.52.189.in-addr.arpa.: domain name does not exist
[0] 177.13.52.189.in-addr.arpa.: domain name does not exist
[0] 178.13.52.189.in-addr.arpa.: domain name does not exist
[0] 179.13.52.189.in-addr.arpa.: domain name does not exist
[0] 180.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 181.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-77-gacc08.rjo.embratel.net.br
[86400] 182.13.52.189.in-addr.arpa. domain name pointer banco-F4-0-7-77-gacc08.rjo.embratel.net.br
[0] 183.13.52.189.in-addr.arpa.: domain name does not exist
[0] 184.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 185.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-78-gacc08.rjo.embratel.net.br
[86400] 186.13.52.189.in-addr.arpa. domain name pointer banco-F4-0-7-78-gacc08.rjo.embratel.net.br
[0] 187.13.52.189.in-addr.arpa.: domain name does not exist
[0] 188.13.52.189.in-addr.arpa.: domain name does not exist
[0] 189.13.52.189.in-addr.arpa.: domain name does not exist
[0] 190.13.52.189.in-addr.arpa.: domain name does not exist
[0] 191.13.52.189.in-addr.arpa.: domain name does not exist
[0] 192.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 193.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-80-gacc08.rjo.embratel.net.br
[86400] 194.13.52.189.in-addr.arpa. domain name pointer mastergraph-F4-0-7-80-gacc08.rjo.embratel.net.br
[0] 195.13.52.189.in-addr.arpa.: domain name does not exist
[0] 196.13.52.189.in-addr.arpa.: domain name does not exist
[0] 197.13.52.189.in-addr.arpa.: domain name does not exist
[0] 198.13.52.189.in-addr.arpa.: domain name does not exist
[0] 199.13.52.189.in-addr.arpa.: domain name does not exist
[0] 200.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 201.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-81-gacc08.rjo.embratel.net.br
[86400] 202.13.52.189.in-addr.arpa. domain name pointer maemfe-F4-0-7-81-gacc08.rjo.embratel.net.br
[0] 203.13.52.189.in-addr.arpa.: domain name does not exist
[0] 204.13.52.189.in-addr.arpa.: domain name does not exist
[0] 205.13.52.189.in-addr.arpa.: domain name does not exist
[0] 206.13.52.189.in-addr.arpa.: domain name does not exist
[0] 207.13.52.189.in-addr.arpa.: domain name does not exist
[0] 208.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 209.13.52.189.in-addr.arpa. domain name pointer embratel-S2-3-0-1-1-6-3-0-gacc08.rjo.embratel.net.br
[86400] 210.13.52.189.in-addr.arpa. domain name pointer abtelecom-S2-3-0-1-1-6-3-0-gacc08.rjo.embratel.net.br
[0] 211.13.52.189.in-addr.arpa.: domain name does not exist
[0] 212.13.52.189.in-addr.arpa.: domain name does not exist
[0] 213.13.52.189.in-addr.arpa.: domain name does not exist
[0] 214.13.52.189.in-addr.arpa.: domain name does not exist
[0] 215.13.52.189.in-addr.arpa.: domain name does not exist
[0] 216.13.52.189.in-addr.arpa.: domain name does not exist
[0] 217.13.52.189.in-addr.arpa.: domain name does not exist
[0] 218.13.52.189.in-addr.arpa.: domain name does not exist
[0] 219.13.52.189.in-addr.arpa.: domain name does not exist
[0] 220.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 221.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-85-gacc08.rjo.embratel.net.br
[86400] 222.13.52.189.in-addr.arpa. domain name pointer marcotur-F4-0-7-85-gacc08.rjo.embratel.net.br
[0] 223.13.52.189.in-addr.arpa.: domain name does not exist
[0] 224.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 225.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-86-gacc08.rjo.embratel.net.br
[86400] 226.13.52.189.in-addr.arpa. domain name pointer rch-F4-0-7-86-gacc08.rjo.embratel.net.br
[0] 227.13.52.189.in-addr.arpa.: domain name does not exist
[0] 228.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 229.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-87-gacc08.rjo.embratel.net.br
[86400] 230.13.52.189.in-addr.arpa. domain name pointer paulo-F4-0-7-87-gacc08.rjo.embratel.net.br
[0] 231.13.52.189.in-addr.arpa.: domain name does not exist
[0] 232.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 233.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-138-gacc08.rjo.embratel.net.br
[86400] 234.13.52.189.in-addr.arpa. domain name pointer ramos-F4-0-7-138-gacc08.rjo.embratel.net.br
[0] 235.13.52.189.in-addr.arpa.: domain name does not exist
[0] 236.13.52.189.in-addr.arpa.: domain name does not exist
[0] 237.13.52.189.in-addr.arpa.: domain name does not exist
[0] 238.13.52.189.in-addr.arpa.: domain name does not exist
[0] 239.13.52.189.in-addr.arpa.: domain name does not exist
[0] 240.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 241.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-98-gacc08.rjo.embratel.net.br
[86400] 242.13.52.189.in-addr.arpa. domain name pointer gisplan-F4-0-7-98-gacc08.rjo.embratel.net.br
[0] 243.13.52.189.in-addr.arpa.: domain name does not exist
[0] 244.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 245.13.52.189.in-addr.arpa. domain name pointer embratel-F3-1-7-gacc08.rjo.embratel.net.br
[86400] 246.13.52.189.in-addr.arpa. domain name pointer vivax-F3-1-7-gacc08.rjo.embratel.net.br
[0] 247.13.52.189.in-addr.arpa.: domain name does not exist
[0] 248.13.52.189.in-addr.arpa.: domain name does not exist
[86400] 249.13.52.189.in-addr.arpa. domain name pointer embratel-F4-0-7-100-gacc08.rjo.embratel.net.br
[86400] 250.13.52.189.in-addr.arpa. domain name pointer netmaker-F4-0-7-100-gacc08.rjo.embratel.net.br
[0] 251.13.52.189.in-addr.arpa.: domain name does not exist
[0] 252.13.52.189.in-addr.arpa.: domain name does not exist
[0] 253.13.52.189.in-addr.arpa.: domain name does not exist
[0] 254.13.52.189.in-addr.arpa.: domain name does not exist
[0] 255.13.52.189.in-addr.arpa.: domain name does not exist