A simple DNS lookup tool
Domain 77.72.225.212
Type PTR
Server Quad9
Duration 173 ms
Results
;; Answer received from 9.9.9.9 (77 bytes)
;;
;; Security Level : UNCHECKED
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12290
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION (1  record)
212.225.72.77.in-addr.arpa.	7200	IN	PTR	s2.root-servers.org.
This Lookup
Realtime Lookup