Reverse DNS Lookup for 123.252.41.147

Searching for 147.41.252.123.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for 147.41.252.123.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 201 ms

Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for rirns.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 150 ms

Searching for 147.41.252.123.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53] ...took 90 ms

Searching for dns6.kbtelecom.net.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for dns6.kbtelecom.net.tw. A record at d.dns.tw. [60.199.165.186] ...took 213 ms
Searching for dns6.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 302 ms

Searching for 147.41.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 298 ms
SERVFAIL

Searching for dns8.kbtelecom.net.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for dns8.kbtelecom.net.tw. A record at f.dns.tw. [40.65.125.222] ...took 158 ms
Searching for dns8.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 287 ms

Searching for 147.41.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8] ...took 299 ms
SERVFAIL
Searching for 147.41.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 298 ms
SERVFAIL
Searching for 147.41.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8] ...took 306 ms
SERVFAIL

None of the nameservers responded correctly.

Total elapsed query time: 2,691 ms