Searching for 47.157.29.222.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for 47.157.29.222.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 47.157.29.222.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.67]
Searching for 47.157.29.222.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30] ...took 193 ms
REFUSED
Searching for 47.157.29.222.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for rirns.arin.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for rirns.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Searching for 47.157.29.222.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 152 msSearching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for rirns.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Searching for dns5.edu.cn. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for dns5.edu.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for 47.157.29.222.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.235]
Searching for dns5.edu.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for ns2.cernet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.cernet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for ns2.cernet.net. A record at dns.cernet.net. [202.38.109.35] ...took 187 ms
Searching for dns5.edu.cn. A record at ns2.cernet.net. [103.137.60.203]
...took 186 msSearching for ns2.cernet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for ns2.cernet.net. A record at dns.cernet.net. [202.38.109.35] ...took 187 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 47.157.29.222.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.67]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 47.157.29.222.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30] ...took 193 ms
Searching for NS2.CUHK.HK. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for NS2.CUHK.HK. A record at y.hkirc.net.HK. [137.189.6.21] ...took 348 ms
Searching for 47.157.29.222.in-addr.arpa. PTR record at NS2.CUHK.HK. [137.189.6.21]
...took 347 msSearching for NS2.CUHK.HK. A record at y.hkirc.net.HK. [137.189.6.21] ...took 348 ms
Searching for anyns.cuhk.edu.hk. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 69 ms
Searching for anyns.cuhk.edu.hk. A record at d.hkirc.net.hk. [203.119.87.218] ...took 236 ms
Searching for NS2.CUHK.HK. A record at anyns.cuhk.edu.hk. [204.61.216.69]
...took 11 msSearching for anyns.cuhk.edu.hk. A record at d.hkirc.net.hk. [203.119.87.218] ...took 236 ms
Searching for ns4.gdnsec.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns4.gdnsec.com. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns4.gdnsec.com. A record at radium.gdnsec.com. [45.116.40.2] ...took 11 ms
Searching for anyns.cuhk.edu.hk. A record at ns4.gdnsec.com. [45.116.40.4]
...took 12 msSearching for ns4.gdnsec.com. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns4.gdnsec.com. A record at radium.gdnsec.com. [45.116.40.2] ...took 11 ms
REFUSED
Searching for SUN1000E.PKU.EDU.CN. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for SUN1000E.PKU.EDU.CN. A record at b.dns.CN. [203.119.26.1] ...took 19 ms
Searching for SUN1000E.PKU.EDU.CN. A record at ns2.cuhk.hk. [137.189.6.21] ...took 348 ms
SERVFAIL
Searching for SUN1000E.PKU.EDU.CN. A record at dns2.edu.cn. [202.112.0.13] ...took 227 ms
Searching for SUN1000E.PKU.EDU.CN. A record at ns.pku.edu.cn. [202.112.7.13]
Searching for SUN1000E.PKU.EDU.CN. A record at dns2.pku.edu.cn. [162.105.129.122] ...took 192 ms
Searching for 47.157.29.222.in-addr.arpa. PTR record at SUN1000E.PKU.EDU.CN. [162.105.129.26]
...took 188 msSearching for SUN1000E.PKU.EDU.CN. A record at b.dns.CN. [203.119.26.1] ...took 19 ms
Searching for SUN1000E.PKU.EDU.CN. A record at ns2.cuhk.hk. [137.189.6.21] ...took 348 ms
SERVFAIL
Searching for SUN1000E.PKU.EDU.CN. A record at dns2.edu.cn. [202.112.0.13] ...took 227 ms
Searching for SUN1000E.PKU.EDU.CN. A record at ns.pku.edu.cn. [202.112.7.13]
Query timed out (interrupted after 2,001 milliseconds)
Retrying...Searching for SUN1000E.PKU.EDU.CN. A record at dns2.pku.edu.cn. [162.105.129.122] ...took 192 ms
Nameserver SUN1000E.PKU.EDU.CN. reports: No such host 47.157.29.222.in-addr.arpa.
Total elapsed query time: 9,158 ms