ns2.51jsg.com has no NS records.
NS records for this zone are defined at 51jsg.com.
NS records for this zone are defined at 51jsg.com.
Question and response
Question
dig ns2.51jsg.com. NS
Answer
The response has no answer records.
Authority
51jsg.com. 600 SOA ns1.51jsg.com. hostmaster.51jsg.com. 2603061003 300 300 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0