A simple DNS lookup tool
Domain
142.251.163.139.in-addr.arpa
Type
A
Server
Quad9
Duration
90 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: 22853
;; 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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