ns4.myfairpoint.net has no NS records.
NS records for this zone are defined at myfairpoint.net.
NS records for this zone are defined at myfairpoint.net.
Question and response
Question
dig ns4.myfairpoint.net. NS
Answer
The response has no answer records.
Authority
myfairpoint.net. 3600 SOA ns1.myfairpoint.net. ispdns.fairpoint.com. 2019052400 3600 600 604800 1800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0