Searching for 224.237.172.27.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for 224.237.172.27.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 224.237.172.27.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 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 j.gtld-servers.net. [192.48.79.30] ...took 10 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for 224.237.172.27.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 155 msSearching for rirns.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 10 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for d.dns.kr. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for d.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 6 ms
Searching for 224.237.172.27.in-addr.arpa. PTR record at d.dns.kr. [203.83.159.1]
...took 281 msSearching for d.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 6 ms
Nameserver d.dns.kr. reports: No such host 224.237.172.27.in-addr.arpa.
Total elapsed query time: 589 ms