Searching for 254.236.119.202.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 254.236.119.202.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 169 ms
Searching for 254.236.119.202.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.235]
Searching for 254.236.119.202.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30] ...took 198 ms
SERVFAIL
Searching for 254.236.119.202.in-addr.arpa. PTR record at DNS.NJUPT.EDU.CN. [202.119.230.8] ...took 223 ms
SERVFAIL
Searching for 254.236.119.202.in-addr.arpa. PTR record at NS.NJUPT.EDU.CN. [202.119.230.10] ...took 214 ms
SERVFAIL
Searching for 254.236.119.202.in-addr.arpa. PTR record at DNS.NJUPT.EDU.CN. [202.119.230.8] ...took 226 ms
SERVFAIL
Searching for 254.236.119.202.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 169 ms
Searching for ns2.apnic.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 62 ms
Searching for ns2.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 254.236.119.202.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for dns5.edu.cn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns5.edu.cn. A record at d.dns.cn. [203.119.28.1] ...took 23 ms
Searching for 254.236.119.202.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.67]
Searching for dns5.edu.cn. A record at d.dns.cn. [203.119.28.1] ...took 23 ms
Searching for ns2.cuhk.hk. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for ns2.cuhk.hk. A record at x.hkirc.net.hk. [202.45.188.39] ...took 319 ms
Searching for dns5.edu.cn. A record at ns2.cuhk.hk. [137.189.6.21]
...took 260 msSearching for ns2.cuhk.hk. A record at x.hkirc.net.hk. [202.45.188.39] ...took 319 ms
Searching for anyns.cuhk.edu.hk. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for anyns.cuhk.edu.hk. A record at y.hkirc.net.hk. [137.189.6.21] ...took 255 ms
Searching for anyns.cuhk.edu.hk. A record at dns2.cuhk.edu.hk. [137.189.6.22] ...took 255 ms
Searching for ns2.cuhk.hk. A record at anyns.cuhk.edu.hk. [204.61.216.69]
...took 12 msSearching for anyns.cuhk.edu.hk. A record at y.hkirc.net.hk. [137.189.6.21] ...took 255 ms
Searching for anyns.cuhk.edu.hk. A record at dns2.cuhk.edu.hk. [137.189.6.22] ...took 255 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 254.236.119.202.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.235]
Query timed out (interrupted after 2,001 milliseconds)
Retrying...Searching for 254.236.119.202.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30] ...took 198 ms
Searching for NS.NJUPT.EDU.CN. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for NS.NJUPT.EDU.CN. A record at d.dns.CN. [203.119.28.1] ...took 24 ms
SERVFAIL
Searching for NS.NJUPT.EDU.CN. A record at a.dns.CN. [203.119.25.1]
Searching for NS.NJUPT.EDU.CN. A record at b.dns.CN. [203.119.26.1] ...took 20 ms
Searching for NS.NJUPT.EDU.CN. A record at ns2.cuhk.hk. [137.189.6.21] ...took 254 ms
Searching for NS.NJUPT.EDU.CN. A record at ns.njupt.edu.cn. [202.119.230.10] ...took 229 ms
Searching for 254.236.119.202.in-addr.arpa. PTR record at NS.NJUPT.EDU.CN. [202.119.230.10]
...took 229 msSearching for NS.NJUPT.EDU.CN. A record at d.dns.CN. [203.119.28.1] ...took 24 ms
SERVFAIL
Searching for NS.NJUPT.EDU.CN. A record at a.dns.CN. [203.119.25.1]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for NS.NJUPT.EDU.CN. A record at b.dns.CN. [203.119.26.1] ...took 20 ms
Searching for NS.NJUPT.EDU.CN. A record at ns2.cuhk.hk. [137.189.6.21] ...took 254 ms
Searching for NS.NJUPT.EDU.CN. A record at ns.njupt.edu.cn. [202.119.230.10] ...took 229 ms
SERVFAIL
Searching for 254.236.119.202.in-addr.arpa. PTR record at DNS.NJUPT.EDU.CN. [202.119.230.8] ...took 223 ms
SERVFAIL
Searching for 254.236.119.202.in-addr.arpa. PTR record at NS.NJUPT.EDU.CN. [202.119.230.10] ...took 214 ms
SERVFAIL
Searching for 254.236.119.202.in-addr.arpa. PTR record at DNS.NJUPT.EDU.CN. [202.119.230.8] ...took 226 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 9,142 ms