城市(city): unknown
省份(region): unknown
国家(country): United States of America (the)
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 <<>> 208.42.74.215
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56474
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;208.42.74.215. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025012401 1800 900 604800 86400
;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Jan 25 02:14:50 CST 2025
;; MSG SIZE rcvd: 106b'Host 215.74.42.208.in-addr.arpa not found: 2(SERVFAIL)
'server can't find 208.42.74.215.in-addr.arpa: SERVFAIL