Searching for 121.73.162.172.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 121.73.162.172.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 101 ms
Searching for 121.73.162.172.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 101 ms
Searching for u.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for u.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 157 ms
Searching for 121.73.162.172.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 6 msSearching for u.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 157 ms
Searching for ns3-02.azure-dns.org. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns3-02.azure-dns.org. A record at b2.org.afilias-nst.org. [199.249.120.1] ...took 7 ms
Searching for ns3-02.azure-dns.org. A record at ns3-02.azure-dns.org. [204.14.183.2] ...took 7 ms
Searching for 121.73.162.172.in-addr.arpa. PTR record at ns3-02.azure-dns.org. [204.14.183.2]
...took 7 msSearching for ns3-02.azure-dns.org. A record at b2.org.afilias-nst.org. [199.249.120.1] ...took 7 ms
Searching for ns3-02.azure-dns.org. A record at ns3-02.azure-dns.org. [204.14.183.2] ...took 7 ms
Searching for ns4-04.azure-dns.info. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns4-04.azure-dns.info. A record at b2.info.afilias-nst.org. [199.249.121.1] ...took 6 ms
Searching for ns4-04.azure-dns.info. A record at ns4-01.azure-dns.info. [208.84.5.1] ...took 13 ms
Searching for 121.73.162.172.in-addr.arpa. PTR record at ns4-04.azure-dns.info. [208.84.5.4]
...took 13 msSearching for ns4-04.azure-dns.info. A record at b2.info.afilias-nst.org. [199.249.121.1] ...took 6 ms
Searching for ns4-04.azure-dns.info. A record at ns4-01.azure-dns.info. [208.84.5.1] ...took 13 ms
Nameserver ns4-04.azure-dns.info. reports: No such host 121.73.162.172.in-addr.arpa.
Total elapsed query time: 407 ms