Searching for 80.249.74.27.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 80.249.74.27.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 155 ms
Searching for 80.249.74.27.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 155 ms
Searching for apnic.authdns.ripe.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for apnic.authdns.ripe.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for 80.249.74.27.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 11 msSearching for apnic.authdns.ripe.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for dns1.vietel.com.vn. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for dns1.vietel.com.vn. A record at g.dns-servers.vn. [204.61.216.115] ...took 11 ms
Searching for dns1.vietel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns1.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 337 ms
Searching for 80.249.74.27.in-addr.arpa. PTR record at dns1.vietel.com.vn. [203.113.131.1]
...took 323 msSearching for dns1.vietel.com.vn. A record at g.dns-servers.vn. [204.61.216.115] ...took 11 ms
Searching for dns1.vietel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns1.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 337 ms
Nameserver dns1.vietel.com.vn. reports: No such host 80.249.74.27.in-addr.arpa.
Total elapsed query time: 1,254 ms