Searching for 151.172.113.203.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 151.172.113.203.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 278 ms
Searching for 151.172.113.203.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 278 ms
Searching for ns1.apnic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for ns1.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 191 ms
Searching for 151.172.113.203.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 190 msSearching for ns1.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 191 ms
Searching for ns.vtdc.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for ns.vtdc.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 5 ms
Searching for 151.172.113.203.in-addr.arpa. PTR record at ns.vtdc.net. [115.84.177.8]
...took 323 msSearching for ns.vtdc.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 5 ms
Searching for ns2.viettelidc.com.vn. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for ns2.viettelidc.com.vn. A record at h.dns-servers.vn. [202.47.142.105] ...took 238 ms
Searching for ns2.viettelidc.com.vn. A record at ns.viettelidc.com.vn. [115.84.177.8] ...took 343 ms
Searching for ns.vtdc.net. A record at ns2.viettelidc.com.vn. [115.84.181.10]
...took 317 msSearching for ns2.viettelidc.com.vn. A record at h.dns-servers.vn. [202.47.142.105] ...took 238 ms
Searching for ns2.viettelidc.com.vn. A record at ns.viettelidc.com.vn. [115.84.177.8] ...took 343 ms
Nameserver ns.vtdc.net. reports: No such host 151.172.113.203.in-addr.arpa.
Total elapsed query time: 1,957 ms