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

No ANY records found for b.iana-servers.net.

Try iana-servers.net instead?

id 39293, opcode QUERY, rcode NOTIMP, flags QR RD RA
;QUESTION
b.iana-servers.net. IN ANY
;ANSWER
;AUTHORITY
;ADDITIONAL

ANY Record Lookup

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