A simple DNS lookup tool
Domain 57.139.8.34
Type PTR
Server Cloudflare
Duration 9 ms
Results
;; Answer received from 1.1.1.1 (113 bytes)
;;
;; Security Level : UNCHECKED
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64797
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

OPT pseudo-record : payloadsize 1232, xrcode 0, version 0, flags 0

;; QUESTION SECTION (1  record)
;; 34.8.139.57.in-addr.arpa.	IN	PTR

;; AUTHORITY SECTION (1  record)
57.in-addr.arpa.	3600	IN	SOA	pri.authdns.ripe.net. dns.ripe.net. 1775743512 3600 600 864000 3600
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