Searching for 10.115.178.202.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 10.115.178.202.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 150 ms
SERVFAIL
Searching for 10.115.178.202.in-addr.arpa. PTR record at ns02.mekongcloud.net. [203.176.130.56] ...took 416 ms
Searching for 10.115.178.202.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 150 ms
Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns3.lacnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 13 ms
Searching for ns3.lacnic.net. A record at ns.lacnic.net. [200.3.13.10] ...took 194 ms
Searching for 10.115.178.202.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 204 msSearching for ns3.lacnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 13 ms
Searching for ns3.lacnic.net. A record at ns.lacnic.net. [200.3.13.10] ...took 194 ms
Searching for ns01.mekongcloud.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns01.mekongcloud.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 20 ms
Searching for ns01.mekongcloud.net. A record at ns02.mekongcloud.net. [203.176.130.56] ...took 413 ms
Searching for 10.115.178.202.in-addr.arpa. PTR record at ns01.mekongcloud.net. [203.176.128.88]
...took 441 msSearching for ns01.mekongcloud.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 20 ms
Searching for ns01.mekongcloud.net. A record at ns02.mekongcloud.net. [203.176.130.56] ...took 413 ms
SERVFAIL
Searching for 10.115.178.202.in-addr.arpa. PTR record at ns02.mekongcloud.net. [203.176.130.56] ...took 416 ms
Nameserver ns02.mekongcloud.net. reports: No such host 10.115.178.202.in-addr.arpa.
Total elapsed query time: 1,893 ms