Searching for 154.29.79.87.in-addr.arpa. PTR record at H.ROOT-SERVERS.NET. [198.97.190.53]
...took 7 ms
Searching for 154.29.79.87.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 167 ms
Searching for 154.29.79.87.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 167 ms
Searching for ns3.afrinic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 31 ms
Searching for ns3.afrinic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns3.afrinic.net. A record at rirns.arin.net. [199.253.249.53] ...took 91 ms
Searching for 154.29.79.87.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 14 msSearching for ns3.afrinic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns3.afrinic.net. A record at rirns.arin.net. [199.253.249.53] ...took 91 ms
Searching for ns3.netcologne.de. A record at H.ROOT-SERVERS.NET. [198.97.190.53]
...took 6 ms
Searching for ns3.netcologne.de. A record at z.nic.de. [194.246.96.1] ...took 6 ms
Searching for 154.29.79.87.in-addr.arpa. PTR record at ns3.netcologne.de. [194.8.197.10]
...took 10 msSearching for ns3.netcologne.de. A record at z.nic.de. [194.246.96.1] ...took 6 ms
Searching for dns.techfak.net. A record at H.ROOT-SERVERS.NET. [198.97.190.53]
...took 6 ms
Searching for dns.techfak.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for dns.techfak.net. A record at auth0.dns.techfak.net. [129.70.136.154] ...took 13 ms
Searching for ns3.netcologne.de. A record at dns.techfak.net. [129.70.136.153]
...took 13 msSearching for dns.techfak.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for dns.techfak.net. A record at auth0.dns.techfak.net. [129.70.136.154] ...took 13 ms
Nameserver ns3.netcologne.de. reports: No such host 154.29.79.87.in-addr.arpa.
Total elapsed query time: 395 ms