Searching for 147.121.42.124.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 147.121.42.124.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 147.121.42.124.in-addr.arpa. PTR record at dns1.sinnet.com.cn. [203.187.176.10] ...took 150 ms
Searching for 147.121.42.124.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns2.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms
Searching for 147.121.42.124.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms
Searching for d.in-addr.cn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for d.in-addr.cn. A record at e.dns.cn. [203.119.29.1] ...took 172 ms
Searching for 147.121.42.124.in-addr.arpa. PTR record at d.in-addr.cn. [203.119.28.3]
...took 6 msSearching for d.in-addr.cn. A record at e.dns.cn. [203.119.29.1] ...took 172 ms
Searching for dns.sinnet.com.cn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns.sinnet.com.cn. A record at ns.cernet.net. [202.112.0.44] ...took 231 ms
Searching for dns.sinnet.com.cn. A record at dns.sinnet.com.cn. [220.231.16.114] Timed out while trying to resolve dns.sinnet.com.cn./A, id=54961
Searching for dns.sinnet.com.cn. A record at dns1.sinnet.com.cn. [203.187.176.10] ...took 152 ms
Searching for 147.121.42.124.in-addr.arpa. PTR record at dns.sinnet.com.cn. [220.231.16.114]
Timed out while trying to resolve 147.121.42.124.in-addr.arpa./PTR, id=15729Searching for dns.sinnet.com.cn. A record at ns.cernet.net. [202.112.0.44] ...took 231 ms
Searching for dns.sinnet.com.cn. A record at dns.sinnet.com.cn. [220.231.16.114] Timed out while trying to resolve dns.sinnet.com.cn./A, id=54961
Searching for dns.sinnet.com.cn. A record at dns1.sinnet.com.cn. [203.187.176.10] ...took 152 ms
Searching for 147.121.42.124.in-addr.arpa. PTR record at dns1.sinnet.com.cn. [203.187.176.10] ...took 150 ms
Nameserver dns1.sinnet.com.cn. reports: No such host 147.121.42.124.in-addr.arpa.
Total elapsed query time: 4,801 ms