A simple DNS lookup tool
Domain 100.250.231.67
Type PTR
Server Quad9
Duration 9 ms
Results
;; Answer received from 9.9.9.9 (171 bytes)
;;
;; Security Level : UNCHECKED
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18138
;; 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 from aggressive NSEC cache (RFC8198)

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

;; AUTHORITY SECTION (1  record)
100.in-addr.arpa.	10717	IN	SOA	z.arin.net. dns-ops.arin.net. 2017038145 1800 900 691200 10800
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