Reverse DNS Lookup for 115.74.25.4

Searching for 4.25.74.115.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for 4.25.74.115.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms

Searching for apnic.authdns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for apnic.authdns.ripe.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for apnic.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 11 ms

Searching for 4.25.74.115.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms

Searching for dns2.viettel.com.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for dns2.viettel.com.vn. A record at h.dns-servers.vn. [202.47.142.105] ...took 206 ms
Searching for dns2.viettel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] Timed out while trying to resolve dns2.viettel.com.vn./A, id=6568
Searching for dns2.viettel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns2.viettel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] Timed out while trying to resolve dns2.viettel.com.vn./A, id=8418
Searching for dns2.viettel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] Timed out while trying to resolve dns2.viettel.com.vn./A, id=33725

None of the nameservers responded correctly.

Total elapsed query time: 6,467 ms

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