城市(city): unknown
省份(region): unknown
国家(country): Canada
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 <<>> 207.194.156.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18915
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;207.194.156.20. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025020900 1800 900 604800 86400
;; Query time: 41 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 10 00:03:00 CST 2025
;; MSG SIZE rcvd: 107Host 20.156.194.207.in-addr.arpa not found: 2(SERVFAIL)
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server: 183.60.82.98
Address: 183.60.82.98#53
** server can't find 20.156.194.207.in-addr.arpa: SERVFAIL