ns3.automattic.com has no CNAME records.
Question and response
Question
dig ns3.automattic.com. NS
Answer
The response has no answer records.
Authority
automattic.com. 60 SOA ns1.automattic.com. hostmaster.automattic.com. 2023091836 14400 7200 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0