wrvm1-11.secondsignal.com has no NS records.
NS records for this zone are defined at secondsignal.com.
NS records for this zone are defined at secondsignal.com.
Question and response
Question
dig nctprimary.thenorth.com. NS
Answer
The response has no answer records.
Authority
thenorth.com. 180 SOA ns0.dnsmadeeasy.com. andrewp.thenorth.com. 2016040802 14400 360 1209600 180
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0