ns4-sg-sin.xenixlabs.net has no NS records.
NS records for this zone are defined at xenixlabs.net.
NS records for this zone are defined at xenixlabs.net.
Question and response
Question
dig ns4-sg-sin.xenixlabs.net. NS
Answer
The response has no answer records.
Authority
xenixlabs.net. 3600 SOA ns1-us-ewr.xenixlabs.net. hostmaster.xenixlabs.com. 2026032601 7200 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0