212-51-137-231.fiber7.init7.net has no NS records.
NS records for this zone are defined at fiber7.init7.net.
NS records for this zone are defined at fiber7.init7.net.
Question and response
Question
dig 212-51-137-231.fiber7.init7.net. NS
Answer
The response has no answer records.
Authority
fiber7.init7.net. 3600 SOA ns1.init7.net. hostmaster.init7.net. 2026032003 1800 900 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0