城市(city): unknown
省份(region): unknown
国家(country): United States
运营商(isp): Verizon
主机名(hostname): unknown
机构(organization): unknown
使用类型(Usage Type): unknown
b; <<>> DiG 9.10.3-P4-Ubuntu <<>> 205.205.239.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8407
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;205.205.239.66. IN A
;; AUTHORITY SECTION:
. 112 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2020031701 1800 900 604800 86400
;; Query time: 108 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Mar 18 05:12:27 CST 2020
;; MSG SIZE rcvd: 11866.239.205.205.in-addr.arpa has no PTR record
;; Got SERVFAIL reply from 100.100.2.138, trying next server
;; Got SERVFAIL reply from 100.100.2.138, trying next server
Server: 100.100.2.136
Address: 100.100.2.136#53
** server can't find 66.239.205.205.in-addr.arpa: SERVFAIL