relay.is.cc has no NS records.
NS records for this zone are defined at is.cc.
NS records for this zone are defined at is.cc.
Question and response
Question
dig relay.is.cc. NS
Answer
The response has no answer records.
Authority
is.cc. 1800 SOA josh.ns.cloudflare.com. dns.cloudflare.com. 2397966518 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0