node1.thundernetwork.org has no CNAME records.
Question and response
Question
dig node1.thundernetwork.org. NS
Answer
The response has no answer records.
Authority
thundernetwork.org. 1506 SOA jean.ns.cloudflare.com. dns.cloudflare.com. 2397036770 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0