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Hostname or IP Type  
Searching for 138.4.255.220.in-addr.arpa. PTR record at A.ROOT-SERVERS.NET. [198.41.0.4] ...took 1 ms
Searching for 138.4.255.220.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.212.0.73] ...took 88 ms
Searching for ns3.apnic.net. A record at A.ROOT-SERVERS.NET. [198.41.0.4] ...took 1 ms
Searching for ns3.apnic.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 1 ms
Searching for ns3.apnic.net. A record at ns4.apnic.net. [202.12.31.140] ...took 258 ms
Searching for 138.4.255.220.in-addr.arpa. PTR record at ns3.apnic.net. [202.12.28.131] ...took 257 ms
Searching for dnssec1.singnet.com.sg. A record at A.ROOT-SERVERS.NET. [198.41.0.4] ...took 1 ms
Searching for dnssec1.singnet.com.sg. A record at sec3.apnic.net. [202.12.28.140] ...took 257 ms
Searching for dnssec1.singnet.com.sg. A record at NS2.CUHK.EDU.HK. [137.189.6.21] ...took 328 ms
Searching for dnssec1.singnet.com.sg. A record at dnssec2.singnet.com.sg. [195.13.10.226] ...took 8 ms
Searching for 138.4.255.220.in-addr.arpa. PTR record at dnssec1.singnet.com.sg. [165.21.83.11] ...took 273 ms

Nameserver dnssec1.singnet.com.sg. reports: No such host 138.4.255.220.in-addr.arpa.



Total elapsed query time: 1,473 ms