[0] 0.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 1.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-50.mds.qmw.ac.uk
[86400] 2.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-51.mds.qmw.ac.uk
[86400] 3.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-52.mds.qmw.ac.uk
[86400] 4.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-53.mds.qmw.ac.uk
[0] 5.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 6.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-55.mds.qmw.ac.uk
[86400] 7.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-56.mds.qmw.ac.uk
[86400] 8.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-57.mds.qmw.ac.uk
[0] 9.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 10.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-59.mds.qmw.ac.uk
[86400] 11.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-60.mds.qmw.ac.uk
[86400] 12.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-61.mds.qmw.ac.uk
[86400] 13.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-62.mds.qmw.ac.uk
[86400] 14.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-63.mds.qmw.ac.uk
[86400] 15.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-64.mds.qmw.ac.uk
[86400] 16.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-65.mds.qmw.ac.uk
[86400] 17.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-66.mds.qmw.ac.uk
[86400] 18.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-67.mds.qmw.ac.uk
[86400] 19.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-68.mds.qmw.ac.uk
[86400] 20.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-69.mds.qmw.ac.uk
[86400] 21.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-70.mds.qmw.ac.uk
[86400] 22.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-71.mds.qmw.ac.uk
[86400] 23.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-72.mds.qmw.ac.uk
[86400] 24.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-73.mds.qmw.ac.uk
[86400] 25.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-74.mds.qmw.ac.uk
[86400] 26.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-75.mds.qmw.ac.uk
[0] 27.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 28.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-77.mds.qmw.ac.uk
[86400] 29.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-78.mds.qmw.ac.uk
[86400] 30.170.37.138.in-addr.arpa. domain name pointer chs-CLINPH-79.mds.qmw.ac.uk
[0] 31.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 32.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-1.mds.qmw.ac.uk
[0] 33.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 34.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-3.mds.qmw.ac.uk
[0] 35.170.37.138.in-addr.arpa.: domain name does not exist
[0] 36.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 37.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-6.mds.qmw.ac.uk
[86400] 38.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-7.mds.qmw.ac.uk
[86400] 39.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-8.mds.qmw.ac.uk
[86400] 40.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-9.mds.qmw.ac.uk
[86400] 41.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-10.mds.qmw.ac.uk
[86400] 42.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-11.mds.qmw.ac.uk
[86400] 43.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-12.mds.qmw.ac.uk
[0] 44.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 45.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-14.mds.qmw.ac.uk
[0] 46.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 47.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-16.mds.qmw.ac.uk
[86400] 48.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-17.mds.qmw.ac.uk
[86400] 49.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-18.mds.qmw.ac.uk
[86400] 50.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-19.mds.qmw.ac.uk
[86400] 51.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-20.mds.qmw.ac.uk
[86400] 52.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-21.mds.qmw.ac.uk
[86400] 53.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-22.mds.qmw.ac.uk
[86400] 54.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-23.mds.qmw.ac.uk
[86400] 55.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-24.mds.qmw.ac.uk
[0] 56.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 57.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-26.mds.qmw.ac.uk
[86400] 58.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-27.mds.qmw.ac.uk
[86400] 59.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-28.mds.qmw.ac.uk
[86400] 60.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-29.mds.qmw.ac.uk
[86400] 61.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-30.mds.qmw.ac.uk
[86400] 62.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-31.mds.qmw.ac.uk
[86400] 63.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-32.mds.qmw.ac.uk
[86400] 64.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-33.mds.qmw.ac.uk
[86400] 65.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-34.mds.qmw.ac.uk
[86400] 66.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-35.mds.qmw.ac.uk
[86400] 67.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-36.mds.qmw.ac.uk
[86400] 68.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-37.mds.qmw.ac.uk
[86400] 69.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-38.mds.qmw.ac.uk
[86400] 70.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-39.mds.qmw.ac.uk
[86400] 71.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-40.mds.qmw.ac.uk
[86400] 72.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-41.mds.qmw.ac.uk
[86400] 73.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-42.mds.qmw.ac.uk
[0] 74.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 75.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-44.mds.qmw.ac.uk
[86400] 76.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-45.mds.qmw.ac.uk
[86400] 77.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-46.mds.qmw.ac.uk
[86400] 78.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-47.mds.qmw.ac.uk
[86400] 79.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-48.mds.qmw.ac.uk
[86400] 80.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-49.mds.qmw.ac.uk
[86400] 81.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-50.mds.qmw.ac.uk
[86400] 82.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-51.mds.qmw.ac.uk
[86400] 83.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-52.mds.qmw.ac.uk
[86400] 84.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-53.mds.qmw.ac.uk
[86400] 85.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-54.mds.qmw.ac.uk
[86400] 86.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-55.mds.qmw.ac.uk
[86400] 87.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-56.mds.qmw.ac.uk
[86400] 88.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-57.mds.qmw.ac.uk
[0] 89.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 90.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-59.mds.qmw.ac.uk
[86400] 91.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-60.mds.qmw.ac.uk
[86400] 92.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-61.mds.qmw.ac.uk
[0] 93.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 94.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-63.mds.qmw.ac.uk
[86400] 95.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-64.mds.qmw.ac.uk
[86400] 96.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-65.mds.qmw.ac.uk
[86400] 97.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-66.mds.qmw.ac.uk
[86400] 98.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-67.mds.qmw.ac.uk
[86400] 99.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-68.mds.qmw.ac.uk
[86400] 100.170.37.138.in-addr.arpa. domain name pointer chs-CMENDO-69.mds.qmw.ac.uk
[0] 101.170.37.138.in-addr.arpa.: domain name does not exist
[0] 102.170.37.138.in-addr.arpa.: domain name does not exist
[0] 103.170.37.138.in-addr.arpa.: domain name does not exist
[0] 104.170.37.138.in-addr.arpa.: domain name does not exist
[0] 105.170.37.138.in-addr.arpa.: domain name does not exist
[0] 106.170.37.138.in-addr.arpa.: domain name does not exist
[0] 107.170.37.138.in-addr.arpa.: domain name does not exist
[0] 108.170.37.138.in-addr.arpa.: domain name does not exist
[0] 109.170.37.138.in-addr.arpa.: domain name does not exist
[0] 110.170.37.138.in-addr.arpa.: domain name does not exist
[0] 111.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 112.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-1.mds.qmw.ac.uk
[0] 113.170.37.138.in-addr.arpa.: domain name does not exist
[0] 114.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 115.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-4.mds.qmw.ac.uk
[86400] 116.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-5.mds.qmw.ac.uk
[86400] 117.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-6.mds.qmw.ac.uk
[86400] 118.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-7.mds.qmw.ac.uk
[86400] 119.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-8.mds.qmw.ac.uk
[0] 120.170.37.138.in-addr.arpa.: domain name does not exist
[0] 121.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 122.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-11.mds.qmw.ac.uk
[0] 123.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 124.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-13.mds.qmw.ac.uk
[0] 125.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 126.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-15.mds.qmw.ac.uk
[0] 127.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 128.170.37.138.in-addr.arpa. domain name pointer chs-CVIRC-17.mds.qmw.ac.uk
[0] 129.170.37.138.in-addr.arpa.: domain name does not exist
[0] 130.170.37.138.in-addr.arpa.: domain name does not exist
[0] 131.170.37.138.in-addr.arpa.: domain name does not exist
[0] 132.170.37.138.in-addr.arpa.: domain name does not exist
[0] 133.170.37.138.in-addr.arpa.: domain name does not exist
[0] 134.170.37.138.in-addr.arpa.: domain name does not exist
[0] 135.170.37.138.in-addr.arpa.: domain name does not exist
[0] 136.170.37.138.in-addr.arpa.: domain name does not exist
[0] 137.170.37.138.in-addr.arpa.: domain name does not exist
[0] 138.170.37.138.in-addr.arpa.: domain name does not exist
[0] 139.170.37.138.in-addr.arpa.: domain name does not exist
[0] 140.170.37.138.in-addr.arpa.: domain name does not exist
[0] 141.170.37.138.in-addr.arpa.: domain name does not exist
[0] 142.170.37.138.in-addr.arpa.: domain name does not exist
[0] 143.170.37.138.in-addr.arpa.: domain name does not exist
[0] 144.170.37.138.in-addr.arpa.: domain name does not exist
[0] 145.170.37.138.in-addr.arpa.: domain name does not exist
[0] 146.170.37.138.in-addr.arpa.: domain name does not exist
[0] 147.170.37.138.in-addr.arpa.: domain name does not exist
[0] 148.170.37.138.in-addr.arpa.: domain name does not exist
[0] 149.170.37.138.in-addr.arpa.: domain name does not exist
[0] 150.170.37.138.in-addr.arpa.: domain name does not exist
[0] 151.170.37.138.in-addr.arpa.: domain name does not exist
[0] 152.170.37.138.in-addr.arpa.: domain name does not exist
[0] 153.170.37.138.in-addr.arpa.: domain name does not exist
[0] 154.170.37.138.in-addr.arpa.: domain name does not exist
[0] 155.170.37.138.in-addr.arpa.: domain name does not exist
[0] 156.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 157.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-6.mds.qmw.ac.uk
[86400] 158.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-7.mds.qmw.ac.uk
[86400] 159.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-8.mds.qmw.ac.uk
[86400] 160.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-9.mds.qmw.ac.uk
[86400] 161.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-10.mds.qmw.ac.uk
[86400] 162.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-11.mds.qmw.ac.uk
[0] 163.170.37.138.in-addr.arpa.: domain name does not exist
[0] 164.170.37.138.in-addr.arpa.: domain name does not exist
[0] 165.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 166.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-15.mds.qmw.ac.uk
[86400] 167.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-16.mds.qmw.ac.uk
[86400] 168.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-17.mds.qmw.ac.uk
[0] 169.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 170.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-19.mds.qmw.ac.uk
[86400] 171.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-20.mds.qmw.ac.uk
[86400] 172.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-21.mds.qmw.ac.uk
[86400] 173.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-22.mds.qmw.ac.uk
[86400] 174.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-23.mds.qmw.ac.uk
[0] 175.170.37.138.in-addr.arpa.: domain name does not exist
[0] 176.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 177.170.37.138.in-addr.arpa. domain name pointer chs-EXMEDN-26.mds.qmw.ac.uk
[0] 178.170.37.138.in-addr.arpa.: domain name does not exist
[0] 179.170.37.138.in-addr.arpa.: domain name does not exist
[0] 180.170.37.138.in-addr.arpa.: domain name does not exist
[0] 181.170.37.138.in-addr.arpa.: domain name does not exist
[0] 182.170.37.138.in-addr.arpa.: domain name does not exist
[0] 183.170.37.138.in-addr.arpa.: domain name does not exist
[0] 184.170.37.138.in-addr.arpa.: domain name does not exist
[0] 185.170.37.138.in-addr.arpa.: domain name does not exist
[0] 186.170.37.138.in-addr.arpa.: domain name does not exist
[0] 187.170.37.138.in-addr.arpa.: domain name does not exist
[0] 188.170.37.138.in-addr.arpa.: domain name does not exist
[0] 189.170.37.138.in-addr.arpa.: domain name does not exist
[0] 190.170.37.138.in-addr.arpa.: domain name does not exist
[0] 191.170.37.138.in-addr.arpa.: domain name does not exist
[0] 192.170.37.138.in-addr.arpa.: domain name does not exist
[0] 193.170.37.138.in-addr.arpa.: domain name does not exist
[0] 194.170.37.138.in-addr.arpa.: domain name does not exist
[0] 195.170.37.138.in-addr.arpa.: domain name does not exist
[0] 196.170.37.138.in-addr.arpa.: domain name does not exist
[86400] 197.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-1.mds.qmw.ac.uk
[86400] 198.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-2.mds.qmw.ac.uk
[86400] 199.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-3.mds.qmw.ac.uk
[86400] 200.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-4.mds.qmw.ac.uk
[86400] 201.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-5.mds.qmw.ac.uk
[86400] 202.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-6.mds.qmw.ac.uk
[86400] 203.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-7.mds.qmw.ac.uk
[86400] 204.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-8.mds.qmw.ac.uk
[86400] 205.170.37.138.in-addr.arpa. domain name pointer chs-EXTHER-9.mds.qmw.ac.uk
[0] 206.170.37.138.in-addr.arpa.: domain name does not exist
[0] 207.170.37.138.in-addr.arpa.: domain name does not exist
[0] 208.170.37.138.in-addr.arpa.: domain name does not exist
[0] 209.170.37.138.in-addr.arpa.: domain name does not exist
[0] 210.170.37.138.in-addr.arpa.: domain name does not exist
[0] 211.170.37.138.in-addr.arpa.: domain name does not exist
[0] 212.170.37.138.in-addr.arpa.: domain name does not exist
[0] 213.170.37.138.in-addr.arpa.: domain name does not exist
[0] 214.170.37.138.in-addr.arpa.: domain name does not exist
[0] 215.170.37.138.in-addr.arpa.: domain name does not exist
[0] 216.170.37.138.in-addr.arpa.: domain name does not exist
[0] 217.170.37.138.in-addr.arpa.: domain name does not exist
[0] 218.170.37.138.in-addr.arpa.: domain name does not exist
[0] 219.170.37.138.in-addr.arpa.: domain name does not exist
[0] 220.170.37.138.in-addr.arpa.: domain name does not exist
[0] 221.170.37.138.in-addr.arpa.: domain name does not exist
[0] 222.170.37.138.in-addr.arpa.: domain name does not exist
[0] 223.170.37.138.in-addr.arpa.: domain name does not exist
[0] 224.170.37.138.in-addr.arpa.: domain name does not exist
[0] 225.170.37.138.in-addr.arpa.: domain name does not exist
[0] 226.170.37.138.in-addr.arpa.: domain name does not exist
[0] 227.170.37.138.in-addr.arpa.: domain name does not exist
[0] 228.170.37.138.in-addr.arpa.: domain name does not exist
[0] 229.170.37.138.in-addr.arpa.: domain name does not exist
[0] 230.170.37.138.in-addr.arpa.: domain name does not exist
[0] 231.170.37.138.in-addr.arpa.: domain name does not exist
[0] 232.170.37.138.in-addr.arpa.: domain name does not exist
[0] 233.170.37.138.in-addr.arpa.: domain name does not exist
[0] 234.170.37.138.in-addr.arpa.: domain name does not exist
[0] 235.170.37.138.in-addr.arpa.: domain name does not exist
[0] 236.170.37.138.in-addr.arpa.: domain name does not exist
[0] 237.170.37.138.in-addr.arpa.: domain name does not exist
[0] 238.170.37.138.in-addr.arpa.: domain name does not exist
[0] 239.170.37.138.in-addr.arpa.: domain name does not exist
[0] 240.170.37.138.in-addr.arpa.: domain name does not exist
[0] 241.170.37.138.in-addr.arpa.: domain name does not exist
[0] 242.170.37.138.in-addr.arpa.: domain name does not exist
[0] 243.170.37.138.in-addr.arpa.: domain name does not exist
[0] 244.170.37.138.in-addr.arpa.: domain name does not exist
[0] 245.170.37.138.in-addr.arpa.: domain name does not exist
[0] 246.170.37.138.in-addr.arpa.: domain name does not exist
[0] 247.170.37.138.in-addr.arpa.: domain name does not exist
[0] 248.170.37.138.in-addr.arpa.: domain name does not exist
[0] 249.170.37.138.in-addr.arpa.: domain name does not exist
[0] 250.170.37.138.in-addr.arpa.: domain name does not exist
[0] 251.170.37.138.in-addr.arpa.: domain name does not exist
[0] 252.170.37.138.in-addr.arpa.: domain name does not exist
[0] 253.170.37.138.in-addr.arpa.: domain name does not exist
[0] 254.170.37.138.in-addr.arpa.: domain name does not exist
[0] 255.170.37.138.in-addr.arpa.: domain name does not exist