城市(city): unknown
省份(region): unknown
国家(country): United States
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 <<>> 170.249.235.85
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63091
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;170.249.235.85. IN A
;; AUTHORITY SECTION:
. 314 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2022011002 1800 900 604800 86400
;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Jan 11 06:38:18 CST 2022
;; MSG SIZE rcvd: 107b'Host 85.235.249.170.in-addr.arpa not found: 2(SERVFAIL)
'server can't find 170.249.235.85.in-addr.arpa: SERVFAIL