Searching for 221.191.139.172.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 221.191.139.172.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 169 ms
Searching for 221.191.139.172.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 169 ms
Searching for u.arin.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for u.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for u.arin.net. A record at u.arin.net. [204.61.216.50] ...took 12 ms
Searching for 221.191.139.172.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 11 msSearching for u.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for u.arin.net. A record at u.arin.net. [204.61.216.50] ...took 12 ms
Searching for ns2-02.azure-dns.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 69 ms
Searching for ns2-02.azure-dns.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns2-02.azure-dns.net. A record at ns2-04.azure-dns.net. [150.171.21.4] ...took 6 ms
Searching for 221.191.139.172.in-addr.arpa. PTR record at ns2-02.azure-dns.net. [150.171.21.2]
...took 6 msSearching for ns2-02.azure-dns.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns2-02.azure-dns.net. A record at ns2-04.azure-dns.net. [150.171.21.4] ...took 6 ms
Nameserver ns2-02.azure-dns.net. reports: No such host 221.191.139.172.in-addr.arpa.
Total elapsed query time: 395 ms