Searching for 251.113.44.194.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 251.113.44.194.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 167 ms
SERVFAIL
Searching for 251.113.44.194.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 167 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for rirns.arin.net. A record at u.arin.net. [204.61.216.50] ...took 12 ms
Searching for 251.113.44.194.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 155 msSearching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for rirns.arin.net. A record at u.arin.net. [204.61.216.50] ...took 12 ms
Searching for ns.ripe.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns.ripe.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for ns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 12 ms
Searching for 251.113.44.194.in-addr.arpa. PTR record at ns.ripe.net. [193.0.9.6]
...took 11 msSearching for ns.ripe.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for ns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 12 ms
SERVFAIL
Searching for ns1.uar.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns1.uar.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns1.uar.net. A record at ns1.uar.net. [194.44.214.37] ...took 26 ms
Searching for 251.113.44.194.in-addr.arpa. PTR record at ns1.uar.net. [194.44.214.37]
...took 26 msSearching for ns1.uar.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns1.uar.net. A record at ns1.uar.net. [194.44.214.37] ...took 26 ms
Nameserver ns1.uar.net. reports: No such host 251.113.44.194.in-addr.arpa.
Total elapsed query time: 505 ms