城市(city): Pisa
省份(region): Tuscany
国家(country): Italy
运营商(isp): unknown
主机名(hostname): unknown
机构(organization): unknown
使用类型(Usage Type): unknown
b; <<>> DiG 9.10.3-P4-Ubuntu <<>> 84.233.239.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18177
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;84.233.239.73. IN A
;; AUTHORITY SECTION:
. 581 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2020010501 1800 900 604800 86400
;; Query time: 123 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jan 06 04:34:32 CST 2020
;; MSG SIZE rcvd: 117Host 73.239.233.84.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 73.239.233.84.in-addr.arpa: NXDOMAIN