城市(city): unknown
省份(region): Guangdong
国家(country): China
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 <<>> 1.0.40.19
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40661
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;1.0.40.19. IN A
;; AUTHORITY SECTION:
. 3600 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2019050300 1800 900 604800 86400
;; Query time: 2 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Fri May 03 21:26:59 +08 2019
;; MSG SIZE rcvd: 113
Host 19.40.0.1.in-addr.arpa. not found: 3(NXDOMAIN)
Server: 67.207.67.3
Address: 67.207.67.3#53
** server can't find 19.40.0.1.in-addr.arpa: NXDOMAIN