ALL A AAAA CAA CNAME MX NS PTR SOA SRV TXT ANY

No ANY records found for ns-ext.isc.org.

Try isc.org instead?

id 36990, opcode QUERY, rcode NOTIMP, flags QR RD RA
;QUESTION
ns-ext.isc.org. IN ANY
;ANSWER
;AUTHORITY
;ADDITIONAL

ANY Record Lookup

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