A simple DNS lookup tool
Domain
51.121.86.172
Type
PTR
Server
Quad9
Duration
12 ms
;; Answer received from 9.9.9.9 (175 bytes)
;;
;; Security Level : UNCHECKED
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53971
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
OPT pseudo-record : payloadsize 512, xrcode 0, version 0, flags 0
OPT=15: Result synthesized by nothing-below-nxdomain (RFC8020)
;; QUESTION SECTION (1 record)
;; 172.86.121.51.in-addr.arpa. IN PTR
;; AUTHORITY SECTION (1 record)
51.in-addr.arpa. 3600 IN SOA pri.authdns.ripe.net. dns.ripe.net. 1790812800 3600 600 864000 3600
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