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Hostname or IP Type  
Searching for 137.4.255.220.in-addr.arpa. PTR record at A.ROOT-SERVERS.NET. [198.41.0.4] ...took 1 ms
Searching for 137.4.255.220.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 180 ms
Searching for ns2.lacnic.net. A record at A.ROOT-SERVERS.NET. [198.41.0.4] ...took 1 ms
Searching for ns2.lacnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 125 ms
Searching for ns2.lacnic.net. A record at tinnie.arin.net. [199.212.0.53] ...took 88 ms
Searching for 137.4.255.220.in-addr.arpa. PTR record at ns2.lacnic.net. [200.3.13.11] ...took 211 ms
Searching for dnssec1.singnet.com.sg. A record at C.ROOT-SERVERS.NET. [192.33.4.12] ...took 2 ms
Searching for dnssec1.singnet.com.sg. A record at sec3.apnic.net. [202.12.28.140] ...took 248 ms
Searching for dnssec1.singnet.com.sg. A record at NS2.CUHK.EDU.HK. [137.189.6.21] ...took 313 ms
Searching for dnssec1.singnet.com.sg. A record at dnssec3.singnet.com.sg. [165.21.100.11] ...took 272 ms
Searching for 137.4.255.220.in-addr.arpa. PTR record at dnssec1.singnet.com.sg. [165.21.83.11] ...took 282 ms

Nameserver dnssec1.singnet.com.sg. reports: No such host 137.4.255.220.in-addr.arpa.



Total elapsed query time: 1,723 ms