Searching for 144.33.73.91.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 144.33.73.91.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 14 ms
SERVFAIL
Searching for 144.33.73.91.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 14 ms
Searching for ns4.apnic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for ns4.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns4.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 144.33.73.91.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53]
...took 15 msSearching for ns4.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns4.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for ns.ripe.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for ns.ripe.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 12 ms
Searching for 144.33.73.91.in-addr.arpa. PTR record at ns.ripe.net. [193.0.9.6]
...took 11 msSearching for ns.ripe.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 12 ms
SERVFAIL
Searching for dxbns2.duhosting.ae. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for dxbns2.duhosting.ae. A record at ns1.aedns.ae. [79.98.120.73] ...took 120 ms
Searching for dxbns2.duhosting.ae. A record at dxbns2.duhosting.ae. [80.227.2.3] ...took 136 ms
Searching for 144.33.73.91.in-addr.arpa. PTR record at dxbns2.duhosting.ae. [80.227.2.3]
...took 134 msSearching for dxbns2.duhosting.ae. A record at ns1.aedns.ae. [79.98.120.73] ...took 120 ms
Searching for dxbns2.duhosting.ae. A record at dxbns2.duhosting.ae. [80.227.2.3] ...took 136 ms
Nameserver dxbns2.duhosting.ae. reports: No such host 144.33.73.91.in-addr.arpa.
Total elapsed query time: 531 ms