Searching for 21.243.135.213.in-addr.arpa. PTR record at E.ROOT-SERVERS.NET. [192.203.230.10]
...took 20 ms
Searching for 21.243.135.213.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 21.243.135.213.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for pri.authdns.ripe.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 11 ms
Searching for pri.authdns.ripe.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for pri.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 91 ms
Searching for 21.243.135.213.in-addr.arpa. PTR record at pri.authdns.ripe.net. [193.0.9.5]
...took 12 msSearching for pri.authdns.ripe.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for pri.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 91 ms
Searching for ns1.pt.lu. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 30 ms
Searching for ns1.pt.lu. A record at g.dns.lu. [194.0.23.5] ...took 34 ms
Searching for ns1.pt.lu. A record at ns2.pt.lu. [195.46.252.2] ...took 11 ms
Searching for 21.243.135.213.in-addr.arpa. PTR record at ns1.pt.lu. [194.154.192.1]
...took 11 msSearching for ns1.pt.lu. A record at g.dns.lu. [194.0.23.5] ...took 34 ms
Searching for ns1.pt.lu. A record at ns2.pt.lu. [195.46.252.2] ...took 11 ms
Nameserver ns1.pt.lu. reports: No such host 21.243.135.213.in-addr.arpa.
Total elapsed query time: 239 ms