城市(city): Powhatan
省份(region): Arkansas
国家(country): United States
运营商(isp): AT&T
主机名(hostname): unknown
机构(organization): AT&T Services, Inc.
使用类型(Usage Type): unknown
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; <<>> DiG 9.10.3-P4-Ubuntu <<>> 12.251.43.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38074
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;12.251.43.42. IN A
;; AUTHORITY SECTION:
. 3600 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2019052600 1800 900 604800 86400
;; Query time: 3 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sun May 26 19:25:13 CST 2019
;; MSG SIZE rcvd: 116
Host 42.43.251.12.in-addr.arpa. not found: 3(NXDOMAIN)
Server: 67.207.67.2
Address: 67.207.67.2#53
** server can't find 42.43.251.12.in-addr.arpa: NXDOMAIN