City: unknown
Region: unknown
Country: United States
Internet Service Provider: unknown
Hostname: unknown
Organization: unknown
Usage Type: unknown
b; <<>> DiG 9.10.3-P4-Ubuntu <<>> 55.63.79.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60316
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;55.63.79.72. IN A
;; AUTHORITY SECTION:
. 166 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2022042401 1800 900 604800 86400
;; Query time: 85 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Apr 25 08:21:58 CST 2022
;; MSG SIZE rcvd: 104b'Host 72.79.63.55.in-addr.arpa. not found: 3(NXDOMAIN)
'server can't find 55.63.79.72.in-addr.arpa: SERVFAIL