A simple DNS lookup tool
Domain
142.251.163.139.in-addr.arpa
Type
A
Server
Quad9
Duration
2 ms
The DNS response failed DNSSEC validation. This is often caused by expired signatures, misconfigured DNS zones, or key management issues. In rare cases, it could indicate a security issue such as DNS spoofing.
;; Answer received from 9.9.9.9 (94 bytes)
;;
;; Security Level : UNCHECKED
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 63022
;; flags: qr rd ra cd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
OPT pseudo-record : payloadsize 512, xrcode 0, version 0, flags 0
OPT=15: delegation 163.139.in-addr.arpa
;; QUESTION SECTION (1 record)
;; 142.251.163.139.in-addr.arpa. IN A
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