whatsmydns.net - DNS Propagation Checker
ALL A AAAA CAA CNAME MX NS PTR SOA SRV TXT ANY

No ANY records found for c.ip6-servers.arpa.

Try ip6-servers.arpa instead?

id 64990, opcode QUERY, rcode NOTIMP, flags QR RD RA
;QUESTION
c.ip6-servers.arpa. IN ANY
;ANSWER
;AUTHORITY
;ADDITIONAL

ANY Record Lookup

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