Searching for 151.86.160.203.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for 151.86.160.203.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 262 ms
Searching for 151.86.160.203.in-addr.arpa. PTR record at dians02.hkunicom.com. [203.160.84.172]
Searching for 151.86.160.203.in-addr.arpa. PTR record at dians01.hkunicom.com. [203.160.84.172]
Searching for 151.86.160.203.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 262 ms
Searching for ns2.apnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns2.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 151.86.160.203.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for dians01.hkunicom.com. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for dians01.hkunicom.com. A record at d.gtld-servers.net. [192.31.80.30] ...took 26 ms
Searching for dians01.hkunicom.com. A record at dns5.hkunicom.com. [203.160.84.172] ...took 298 ms
Searching for 151.86.160.203.in-addr.arpa. PTR record at dians01.hkunicom.com. [203.160.84.172]
Searching for dians01.hkunicom.com. A record at d.gtld-servers.net. [192.31.80.30] ...took 26 ms
Searching for dians01.hkunicom.com. A record at dns5.hkunicom.com. [203.160.84.172] ...took 298 ms
Query timed out (interrupted after 2,001 milliseconds)
Retrying...
Searching for dians02.hkunicom.com. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for dians02.hkunicom.com. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for dians02.hkunicom.com. A record at dns5.hkunicom.com. [203.160.84.172] ...took 298 ms
Searching for 151.86.160.203.in-addr.arpa. PTR record at dians02.hkunicom.com. [203.160.84.172]
Searching for dians02.hkunicom.com. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for dians02.hkunicom.com. A record at dns5.hkunicom.com. [203.160.84.172] ...took 298 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 151.86.160.203.in-addr.arpa. PTR record at dians02.hkunicom.com. [203.160.84.172]
Query timed out (interrupted after 2,001 milliseconds)
Retrying...Searching for 151.86.160.203.in-addr.arpa. PTR record at dians01.hkunicom.com. [203.160.84.172]
Query timed out (interrupted after 2,002 milliseconds)
None of the nameservers responded correctly.
Total elapsed query time: 9,004 ms