Searching for 169.47.243.219.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 169.47.243.219.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 272 ms
Searching for 169.47.243.219.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.235]
Searching for 169.47.243.219.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30] ...took 187 ms
Searching for 169.47.243.219.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 272 ms
Searching for ns1.apnic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for ns1.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 25 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for 169.47.243.219.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 190 msSearching for ns1.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 25 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for dns5.edu.cn. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for dns5.edu.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for 169.47.243.219.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.67]
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 I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns2.cernet.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns2.cernet.net. A record at dns2.cernet.net. [202.112.0.13] ...took 223 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 m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns2.cernet.net. A record at dns2.cernet.net. [202.112.0.13] ...took 223 ms
Query timed out (interrupted after 2,003 milliseconds)
Retrying...Searching for 169.47.243.219.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.235]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 169.47.243.219.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30] ...took 187 ms
Nameserver dns5.edu.cn. reports: No such host 169.47.243.219.in-addr.arpa.
Total elapsed query time: 5,189 ms