30.155.123.77.colo.static.dcvolia.com has no NS records.
NS records for this zone are defined at dcvolia.com.
NS records for this zone are defined at dcvolia.com.
Question and response
Question
dig 30.155.123.77.colo.static.dcvolia.com. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0