[0] 0.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 1.131.113.203.in-addr.arpa. domain name pointer dns1.viettel.com.vn dns1.vietel.com.vn
[86400] 2.131.113.203.in-addr.arpa. domain name pointer dns4.vietel.com.vn dns4.viettel.com.vn
[86400] 3.131.113.203.in-addr.arpa. domain name pointer database.vietel.com.vn
[86400] 4.131.113.203.in-addr.arpa. domain name pointer billing.vietel.com.vn
[0] 5.131.113.203.in-addr.arpa.: domain name does not exist
[0] 6.131.113.203.in-addr.arpa.: domain name does not exist
[0] 7.131.113.203.in-addr.arpa.: domain name does not exist
[0] 8.131.113.203.in-addr.arpa.: domain name does not exist
[0] 9.131.113.203.in-addr.arpa.: domain name does not exist
[0] 10.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 11.131.113.203.in-addr.arpa. domain name pointer backup.viettel.com.vn
[0] 12.131.113.203.in-addr.arpa.: domain name does not exist
[0] 13.131.113.203.in-addr.arpa.: domain name does not exist
[0] 14.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 15.131.113.203.in-addr.arpa. domain name pointer spamfilter.viettel.vn
[86400] 16.131.113.203.in-addr.arpa. domain name pointer mta-viettel-02.viettel.com.vn
[0] 17.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 18.131.113.203.in-addr.arpa. domain name pointer mailfilter-in.viettel.vn
[0] 19.131.113.203.in-addr.arpa.: domain name does not exist
[0] 20.131.113.203.in-addr.arpa.: domain name does not exist
[0] 21.131.113.203.in-addr.arpa.: domain name does not exist
[0] 22.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 23.131.113.203.in-addr.arpa. domain name pointer mailfilter-in-01.viettel.com.vn incoming.viettel.com.vn
[86400] 24.131.113.203.in-addr.arpa. domain name pointer mailfilter-out-01.viettel.com.vn
[0] 25.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 26.131.113.203.in-addr.arpa. domain name pointer smtp.viettel.com.vn mta-out-01.viettel.com.vn
[86400] 27.131.113.203.in-addr.arpa. domain name pointer mta-in-01.viettel.com.vn
[86400] 28.131.113.203.in-addr.arpa. domain name pointer mailfilter-out.viettel.vn
[0] 29.131.113.203.in-addr.arpa.: domain name does not exist
[0] 30.131.113.203.in-addr.arpa.: domain name does not exist
[0] 31.131.113.203.in-addr.arpa.: domain name does not exist
[0] 32.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 33.131.113.203.in-addr.arpa. domain name pointer aaa.vietel.com.vn
[0] 34.131.113.203.in-addr.arpa.: temporary failure in name resolution
[86400] 35.131.113.203.in-addr.arpa. domain name pointer ldap.vietel.com.vn
[86400] 36.131.113.203.in-addr.arpa. domain name pointer smtp.viettel.vn
[86400] 37.131.113.203.in-addr.arpa. domain name pointer billing.viettel.vn
[0] 38.131.113.203.in-addr.arpa.: domain name does not exist
[0] 39.131.113.203.in-addr.arpa.: domain name does not exist
[0] 40.131.113.203.in-addr.arpa.: domain name does not exist
[0] 41.131.113.203.in-addr.arpa.: domain name does not exist
[0] 42.131.113.203.in-addr.arpa.: domain name does not exist
[0] 43.131.113.203.in-addr.arpa.: domain name does not exist
[0] 44.131.113.203.in-addr.arpa.: domain name does not exist
[0] 45.131.113.203.in-addr.arpa.: domain name does not exist
[0] 46.131.113.203.in-addr.arpa.: domain name does not exist
[0] 47.131.113.203.in-addr.arpa.: domain name does not exist
[0] 48.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 49.131.113.203.in-addr.arpa. domain name pointer 178.vietel.com.vn
[86400] 50.131.113.203.in-addr.arpa. domain name pointer chat-ftp.vietel.com.vn
[0] 51.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 52.131.113.203.in-addr.arpa. domain name pointer mss-viettel-01.viettel.com.vn
[0] 53.131.113.203.in-addr.arpa.: domain name does not exist
[0] 54.131.113.203.in-addr.arpa.: domain name does not exist
[0] 55.131.113.203.in-addr.arpa.: domain name does not exist
[0] 56.131.113.203.in-addr.arpa.: domain name does not exist
[0] 57.131.113.203.in-addr.arpa.: domain name does not exist
[0] 58.131.113.203.in-addr.arpa.: domain name does not exist
[0] 59.131.113.203.in-addr.arpa.: domain name does not exist
[0] 60.131.113.203.in-addr.arpa.: domain name does not exist
[0] 61.131.113.203.in-addr.arpa.: domain name does not exist
[0] 62.131.113.203.in-addr.arpa.: domain name does not exist
[0] 63.131.113.203.in-addr.arpa.: domain name does not exist
[0] 64.131.113.203.in-addr.arpa.: domain name does not exist
[0] 65.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 66.131.113.203.in-addr.arpa. domain name pointer sps.viettel.vn
[0] 67.131.113.203.in-addr.arpa.: domain name does not exist
[0] 68.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 69.131.113.203.in-addr.arpa. domain name pointer www.vra.gov.vn
[0] 70.131.113.203.in-addr.arpa.: domain name does not exist
[0] 71.131.113.203.in-addr.arpa.: domain name does not exist
[0] 72.131.113.203.in-addr.arpa.: domain name does not exist
[0] 73.131.113.203.in-addr.arpa.: domain name does not exist
[0] 74.131.113.203.in-addr.arpa.: domain name does not exist
[0] 75.131.113.203.in-addr.arpa.: domain name does not exist
[0] 76.131.113.203.in-addr.arpa.: domain name does not exist
[0] 77.131.113.203.in-addr.arpa.: domain name does not exist
[0] 78.131.113.203.in-addr.arpa.: domain name does not exist
[0] 79.131.113.203.in-addr.arpa.: domain name does not exist
[0] 80.131.113.203.in-addr.arpa.: domain name does not exist
[0] 81.131.113.203.in-addr.arpa.: domain name does not exist
[0] 82.131.113.203.in-addr.arpa.: domain name does not exist
[0] 83.131.113.203.in-addr.arpa.: domain name does not exist
[0] 84.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 85.131.113.203.in-addr.arpa. domain name pointer dns3.vietel.com.vn
[0] 86.131.113.203.in-addr.arpa.: domain name does not exist
[0] 87.131.113.203.in-addr.arpa.: domain name does not exist
[0] 88.131.113.203.in-addr.arpa.: domain name does not exist
[0] 89.131.113.203.in-addr.arpa.: domain name does not exist
[0] 90.131.113.203.in-addr.arpa.: domain name does not exist
[0] 91.131.113.203.in-addr.arpa.: domain name does not exist
[0] 92.131.113.203.in-addr.arpa.: domain name does not exist
[0] 93.131.113.203.in-addr.arpa.: domain name does not exist
[0] 94.131.113.203.in-addr.arpa.: domain name does not exist
[0] 95.131.113.203.in-addr.arpa.: domain name does not exist
[0] 96.131.113.203.in-addr.arpa.: domain name does not exist
[0] 97.131.113.203.in-addr.arpa.: domain name does not exist
[0] 98.131.113.203.in-addr.arpa.: domain name does not exist
[0] 99.131.113.203.in-addr.arpa.: domain name does not exist
[0] 100.131.113.203.in-addr.arpa.: domain name does not exist
[0] 101.131.113.203.in-addr.arpa.: domain name does not exist
[0] 102.131.113.203.in-addr.arpa.: domain name does not exist
[0] 103.131.113.203.in-addr.arpa.: domain name does not exist
[0] 104.131.113.203.in-addr.arpa.: domain name does not exist
[0] 105.131.113.203.in-addr.arpa.: domain name does not exist
[0] 106.131.113.203.in-addr.arpa.: domain name does not exist
[0] 107.131.113.203.in-addr.arpa.: domain name does not exist
[0] 108.131.113.203.in-addr.arpa.: domain name does not exist
[0] 109.131.113.203.in-addr.arpa.: domain name does not exist
[0] 110.131.113.203.in-addr.arpa.: domain name does not exist
[0] 111.131.113.203.in-addr.arpa.: domain name does not exist
[0] 112.131.113.203.in-addr.arpa.: domain name does not exist
[0] 113.131.113.203.in-addr.arpa.: domain name does not exist
[0] 114.131.113.203.in-addr.arpa.: domain name does not exist
[0] 115.131.113.203.in-addr.arpa.: domain name does not exist
[0] 116.131.113.203.in-addr.arpa.: domain name does not exist
[0] 117.131.113.203.in-addr.arpa.: domain name does not exist
[0] 118.131.113.203.in-addr.arpa.: domain name does not exist
[0] 119.131.113.203.in-addr.arpa.: domain name does not exist
[0] 120.131.113.203.in-addr.arpa.: domain name does not exist
[0] 121.131.113.203.in-addr.arpa.: domain name does not exist
[0] 122.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 123.131.113.203.in-addr.arpa. domain name pointer observation.viettel.vn
[86400] 124.131.113.203.in-addr.arpa. domain name pointer adslfail.viettel.vn
[0] 125.131.113.203.in-addr.arpa.: domain name does not exist
[0] 126.131.113.203.in-addr.arpa.: domain name does not exist
[0] 127.131.113.203.in-addr.arpa.: domain name does not exist
[0] 128.131.113.203.in-addr.arpa.: domain name does not exist
[0] 129.131.113.203.in-addr.arpa.: domain name does not exist
[0] 130.131.113.203.in-addr.arpa.: domain name does not exist
[0] 131.131.113.203.in-addr.arpa.: domain name does not exist
[0] 132.131.113.203.in-addr.arpa.: domain name does not exist
[0] 133.131.113.203.in-addr.arpa.: domain name does not exist
[0] 134.131.113.203.in-addr.arpa.: domain name does not exist
[0] 135.131.113.203.in-addr.arpa.: domain name does not exist
[0] 136.131.113.203.in-addr.arpa.: domain name does not exist
[0] 137.131.113.203.in-addr.arpa.: domain name does not exist
[0] 138.131.113.203.in-addr.arpa.: domain name does not exist
[0] 139.131.113.203.in-addr.arpa.: domain name does not exist
[86400] 140.131.113.203.in-addr.arpa. domain name pointer huetronics.vn
[0] 141.131.113.203.in-addr.arpa.: domain name does not exist
[0] 142.131.113.203.in-addr.arpa.: domain name does not exist
[0] 143.131.113.203.in-addr.arpa.: domain name does not exist
[0] 144.131.113.203.in-addr.arpa.: domain name does not exist
[0] 145.131.113.203.in-addr.arpa.: domain name does not exist
[0] 146.131.113.203.in-addr.arpa.: domain name does not exist
[0] 147.131.113.203.in-addr.arpa.: domain name does not exist
[0] 148.131.113.203.in-addr.arpa.: domain name does not exist
[0] 149.131.113.203.in-addr.arpa.: domain name does not exist
[0] 150.131.113.203.in-addr.arpa.: domain name does not exist
[0] 151.131.113.203.in-addr.arpa.: domain name does not exist
[0] 152.131.113.203.in-addr.arpa.: domain name does not exist
[0] 153.131.113.203.in-addr.arpa.: domain name does not exist
[0] 154.131.113.203.in-addr.arpa.: domain name does not exist
[0] 155.131.113.203.in-addr.arpa.: domain name does not exist
[0] 156.131.113.203.in-addr.arpa.: domain name does not exist
[0] 157.131.113.203.in-addr.arpa.: domain name does not exist
[0] 158.131.113.203.in-addr.arpa.: domain name does not exist
[0] 159.131.113.203.in-addr.arpa.: domain name does not exist
[0] 160.131.113.203.in-addr.arpa.: domain name does not exist
[0] 161.131.113.203.in-addr.arpa.: domain name does not exist
[0] 162.131.113.203.in-addr.arpa.: domain name does not exist
[0] 163.131.113.203.in-addr.arpa.: domain name does not exist
[0] 164.131.113.203.in-addr.arpa.: domain name does not exist
[0] 165.131.113.203.in-addr.arpa.: domain name does not exist
[0] 166.131.113.203.in-addr.arpa.: domain name does not exist
[0] 167.131.113.203.in-addr.arpa.: domain name does not exist
[0] 168.131.113.203.in-addr.arpa.: domain name does not exist
[0] 169.131.113.203.in-addr.arpa.: domain name does not exist
[0] 170.131.113.203.in-addr.arpa.: domain name does not exist
[0] 171.131.113.203.in-addr.arpa.: domain name does not exist
[0] 172.131.113.203.in-addr.arpa.: domain name does not exist
[0] 173.131.113.203.in-addr.arpa.: domain name does not exist
[0] 174.131.113.203.in-addr.arpa.: domain name does not exist
[0] 175.131.113.203.in-addr.arpa.: domain name does not exist
[0] 176.131.113.203.in-addr.arpa.: domain name does not exist
[0] 177.131.113.203.in-addr.arpa.: domain name does not exist
[0] 178.131.113.203.in-addr.arpa.: domain name does not exist
[0] 179.131.113.203.in-addr.arpa.: domain name does not exist
[0] 180.131.113.203.in-addr.arpa.: domain name does not exist
[0] 181.131.113.203.in-addr.arpa.: domain name does not exist
[0] 182.131.113.203.in-addr.arpa.: domain name does not exist
[0] 183.131.113.203.in-addr.arpa.: domain name does not exist
[0] 184.131.113.203.in-addr.arpa.: domain name does not exist
[0] 185.131.113.203.in-addr.arpa.: domain name does not exist
[0] 186.131.113.203.in-addr.arpa.: domain name does not exist
[0] 187.131.113.203.in-addr.arpa.: domain name does not exist
[0] 188.131.113.203.in-addr.arpa.: domain name does not exist
[0] 189.131.113.203.in-addr.arpa.: domain name does not exist
[0] 190.131.113.203.in-addr.arpa.: domain name does not exist
[0] 191.131.113.203.in-addr.arpa.: domain name does not exist
[0] 192.131.113.203.in-addr.arpa.: domain name does not exist
[0] 193.131.113.203.in-addr.arpa.: domain name does not exist
[0] 194.131.113.203.in-addr.arpa.: domain name does not exist
[0] 195.131.113.203.in-addr.arpa.: domain name does not exist
[0] 196.131.113.203.in-addr.arpa.: domain name does not exist
[0] 197.131.113.203.in-addr.arpa.: domain name does not exist
[0] 198.131.113.203.in-addr.arpa.: domain name does not exist
[0] 199.131.113.203.in-addr.arpa.: domain name does not exist
[0] 200.131.113.203.in-addr.arpa.: domain name does not exist
[0] 201.131.113.203.in-addr.arpa.: domain name does not exist
[0] 202.131.113.203.in-addr.arpa.: domain name does not exist
[0] 203.131.113.203.in-addr.arpa.: domain name does not exist
[0] 204.131.113.203.in-addr.arpa.: domain name does not exist
[0] 205.131.113.203.in-addr.arpa.: domain name does not exist
[0] 206.131.113.203.in-addr.arpa.: domain name does not exist
[0] 207.131.113.203.in-addr.arpa.: domain name does not exist
[0] 208.131.113.203.in-addr.arpa.: domain name does not exist
[0] 209.131.113.203.in-addr.arpa.: domain name does not exist
[0] 210.131.113.203.in-addr.arpa.: domain name does not exist
[0] 211.131.113.203.in-addr.arpa.: domain name does not exist
[0] 212.131.113.203.in-addr.arpa.: domain name does not exist
[0] 213.131.113.203.in-addr.arpa.: domain name does not exist
[0] 214.131.113.203.in-addr.arpa.: domain name does not exist
[0] 215.131.113.203.in-addr.arpa.: domain name does not exist
[0] 216.131.113.203.in-addr.arpa.: domain name does not exist
[0] 217.131.113.203.in-addr.arpa.: domain name does not exist
[0] 218.131.113.203.in-addr.arpa.: domain name does not exist
[0] 219.131.113.203.in-addr.arpa.: domain name does not exist
[0] 220.131.113.203.in-addr.arpa.: domain name does not exist
[0] 221.131.113.203.in-addr.arpa.: domain name does not exist
[0] 222.131.113.203.in-addr.arpa.: domain name does not exist
[0] 223.131.113.203.in-addr.arpa.: domain name does not exist
[0] 224.131.113.203.in-addr.arpa.: domain name does not exist
[0] 225.131.113.203.in-addr.arpa.: domain name does not exist
[0] 226.131.113.203.in-addr.arpa.: domain name does not exist
[0] 227.131.113.203.in-addr.arpa.: domain name does not exist
[0] 228.131.113.203.in-addr.arpa.: domain name does not exist
[0] 229.131.113.203.in-addr.arpa.: domain name does not exist
[0] 230.131.113.203.in-addr.arpa.: domain name does not exist
[0] 231.131.113.203.in-addr.arpa.: domain name does not exist
[0] 232.131.113.203.in-addr.arpa.: domain name does not exist
[0] 233.131.113.203.in-addr.arpa.: domain name does not exist
[0] 234.131.113.203.in-addr.arpa.: domain name does not exist
[0] 235.131.113.203.in-addr.arpa.: domain name does not exist
[0] 236.131.113.203.in-addr.arpa.: domain name does not exist
[0] 237.131.113.203.in-addr.arpa.: domain name does not exist
[0] 238.131.113.203.in-addr.arpa.: domain name does not exist
[0] 239.131.113.203.in-addr.arpa.: domain name does not exist
[0] 240.131.113.203.in-addr.arpa.: domain name does not exist
[0] 241.131.113.203.in-addr.arpa.: domain name does not exist
[0] 242.131.113.203.in-addr.arpa.: domain name does not exist
[0] 243.131.113.203.in-addr.arpa.: domain name does not exist
[0] 244.131.113.203.in-addr.arpa.: domain name does not exist
[0] 245.131.113.203.in-addr.arpa.: domain name does not exist
[0] 246.131.113.203.in-addr.arpa.: domain name does not exist
[0] 247.131.113.203.in-addr.arpa.: domain name does not exist
[0] 248.131.113.203.in-addr.arpa.: domain name does not exist
[0] 249.131.113.203.in-addr.arpa.: domain name does not exist
[0] 250.131.113.203.in-addr.arpa.: domain name does not exist
[0] 251.131.113.203.in-addr.arpa.: domain name does not exist
[0] 252.131.113.203.in-addr.arpa.: domain name does not exist
[0] 253.131.113.203.in-addr.arpa.: domain name does not exist
[0] 254.131.113.203.in-addr.arpa.: domain name does not exist
[0] 255.131.113.203.in-addr.arpa.: domain name does not exist