Searching for 28.24.112.140.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 97 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 251 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 255 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2] Timed out while trying to resolve 28.24.112.140.in-addr.arpa./PTR, id=30009
Searching for 28.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4] ...took 247 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 97 ms
Searching for z.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for z.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 139 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 92 msSearching for z.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 139 ms
Searching for dns.ntu.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns.ntu.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 312 ms
Searching for dns.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 247 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4]
...took 247 msSearching for dns.ntu.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 312 ms
Searching for dns.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 247 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 251 ms
SERVFAIL
Searching for news.ntu.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for news.ntu.edu.tw. A record at h.dns.tw. [204.61.216.119] ...took 6 ms
Searching for news.ntu.edu.tw. A record at c.twnic.net.tw. [168.95.192.10] ...took 228 ms
Searching for news.ntu.edu.tw. A record at dns.ntu.edu.tw. [140.112.254.4] ...took 247 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2]
Timed out while trying to resolve 28.24.112.140.in-addr.arpa./PTR, id=965Searching for news.ntu.edu.tw. A record at h.dns.tw. [204.61.216.119] ...took 6 ms
Searching for news.ntu.edu.tw. A record at c.twnic.net.tw. [168.95.192.10] ...took 228 ms
Searching for news.ntu.edu.tw. A record at dns.ntu.edu.tw. [140.112.254.4] ...took 247 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 255 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2] Timed out while trying to resolve 28.24.112.140.in-addr.arpa./PTR, id=30009
Searching for 28.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4] ...took 247 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 6,435 ms