Searching for 117.121.73.91.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 117.121.73.91.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
SERVFAIL
Searching for 117.121.73.91.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
Searching for ns3.afrinic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for ns3.afrinic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns3.afrinic.net. A record at afrinic.authdns.ripe.net. [193.0.9.8] ...took 12 ms
Searching for 117.121.73.91.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 11 msSearching for ns3.afrinic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns3.afrinic.net. A record at afrinic.authdns.ripe.net. [193.0.9.8] ...took 12 ms
Searching for ns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns.ripe.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 21 ms
Searching for ns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 196 ms
Searching for 117.121.73.91.in-addr.arpa. PTR record at ns.ripe.net. [193.0.9.6]
...took 12 msSearching for ns.ripe.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 21 ms
Searching for ns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 196 ms
SERVFAIL
Searching for dxbns1.duhosting.ae. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for dxbns1.duhosting.ae. A record at nsext-pch.aedns.ae. [199.4.137.1] ...took 11 ms
Searching for dxbns1.duhosting.ae. A record at dxbns2.duhosting.ae. [80.227.2.3] ...took 139 ms
Searching for 117.121.73.91.in-addr.arpa. PTR record at dxbns1.duhosting.ae. [80.227.2.2]
...took 136 msSearching for dxbns1.duhosting.ae. A record at nsext-pch.aedns.ae. [199.4.137.1] ...took 11 ms
Searching for dxbns1.duhosting.ae. A record at dxbns2.duhosting.ae. [80.227.2.3] ...took 139 ms
Nameserver dxbns1.duhosting.ae. reports: No such host 117.121.73.91.in-addr.arpa.
Total elapsed query time: 752 ms