城市(city): unknown
省份(region): unknown
国家(country): Germany
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 <<>> 137.226.129.50
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16827
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;137.226.129.50. IN A
;; AUTHORITY SECTION:
. 580 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2022061201 1800 900 604800 86400
;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jun 13 03:57:08 CST 2022
;; MSG SIZE rcvd: 10750.129.226.137.in-addr.arpa domain name pointer valerian.iehk.rwth-aachen.de.Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
50.129.226.137.in-addr.arpa name = valerian.iehk.rwth-aachen.de.
Authoritative answers can be found from: