nslookup
nslookup（Name Server Lookup）用于从 DNS 服务器查询域名、IP 或其他 DNS 记录信息
示例
查询域名信息
$ nslookup baidu.comServer: 114.114.114.114
Address: 114.114.114.114#53Non-authoritative answer:
Name: baidu.com
Address: 39.156.66.10
Name: baidu.com
Address: 110.242.68.66
查询域名对应的文本信息
$ nslookup -q=TXT baidu.comServer: 114.114.114.114
Address: 114.114.114.114#53Non-authoritative answer:
baidu.com text = "_globalsign-domain-verification=qjb28W2jJSrWj04NHpB0CvgK9tle5JkOq-EcyWBgnE"
baidu.com text = "google-site-verification=GHb98-6msqyx_qqjGl5eRatD3QTHyVB6-xQ3gJB5UwM"
baidu.com text = "v=spf1 include:spf1.baidu.com include:spf2.baidu.com include:spf3.baidu.com include:spf4.baidu.com mx ptr -all"
baidu.com text = "9279nznttl321bxp1j464rd9vpps246v"Authoritative answers can be found from:参考文章
- Linux 命令 | nslookup
DIG
DIG命令(Domain Information Groper命令)用于进行不同的DNS(域名系统)查询
使用示例
基本使用
$ dig www.baidu.com; <<>> DiG 9.10.6 <<>> www.baidu.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20828
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0;; QUESTION SECTION:
;www.baidu.com. IN A;; ANSWER SECTION:
www.baidu.com. 300 IN CNAME www.a.shifen.com.
www.a.shifen.com. 300 IN A 110.242.68.3
www.a.shifen.com. 300 IN A 110.242.68.4;; Query time: 8 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Fri Mar 01 14:32:50 CST 2024
;; MSG SIZE rcvd: 90查看简易信息
$ dig www.baidu.com +shortwww.a.shifen.com.
110.242.68.3
110.242.68.4
查看 TXT记录
$ dig google.com TXT; <<>> DiG 9.10.6 <<>> google.com TXT
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32043
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;google.com. IN TXT;; ANSWER SECTION:
google.com. 31 IN TXT "docusign=1b0a6754-49b1-4db5-8540-d2c12664b289"
google.com. 31 IN TXT "globalsign-smime-dv=CDYX+XFHUw2wml6/Gb8+59BsH31KzUr6c1l2BPvqKX8="
google.com. 31 IN TXT "webexdomainverification.8YX6G=6e6922db-e3e6-4a36-904e-a805c28087fa"
google.com. 31 IN TXT "MS=E4A68B9AB2BB9670BCE15412F62916164C0B20BB"
google.com. 31 IN TXT "facebook-domain-verification=22rm551cu4k0ab0bxsw536tlds4h95"
google.com. 31 IN TXT "atlassian-domain-verification=5YjTmWmjI92ewqkx2oXmBaD60Td9zWon9r6eakvHX6B77zzkFQto8PQ9QsKnbf4I";; Query time: 15 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Fri Mar 01 14:35:01 CST 2024
;; MSG SIZE rcvd: 488
参考文章
- 【Linux】Linux dig指令的十三种用法
