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b; <<>> DiG 9.10.3-P4-Ubuntu <<>> 149.219.80.77
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22706
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;149.219.80.77. IN A
;; AUTHORITY SECTION:
. 514 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2020012600 1800 900 604800 86400
;; Query time: 90 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 26 19:22:25 CST 2020
;; MSG SIZE rcvd: 117Host 77.80.219.149.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 77.80.219.149.in-addr.arpa: NXDOMAIN