dig命令詳解1.檢視網域名稱的a記錄
# dig yahoo.com; <<>> dig 9.8.2rc1-redhat-9.8.2-0.10.rc1.el6_3.2 <<>> yahoo.com
;; global options: +cmd
;; got answer:
;; ->>header<
2.檢視網域名稱的ip
# dig yahoo.com +short
98.139.183.24
72.30.38.140
98.138.253.109
3.檢視網域名稱的mx 記錄
# dig yahoo.com mx
; <> dig 9.8.2rc1-redhat-9.8.2-0.10.rc1.el6_3.2 <> yahoo.com mx
;; global options: +cmd
;; got answer:
;; ->>header<<- opcode: query, status: noerror, id: 31450
;; flags: qr rd ra; query: 1, answer: 3, authority: 0, additional: 24
;; question section:
;yahoo.com. in mx
;; answer section:
yahoo.com. 33 in mx 1 mta6.am0.yahoodns.net.
yahoo.com. 33 in mx 1 mta7.am0.yahoodns.net.
yahoo.com. 33 in mx 1 mta5.am0.yahoodns.net.
4.檢視網域名稱的soa記錄
# dig yahoo.com soa
; <> dig 9.8.2rc1-redhat-9.8.2-0.10.rc1.el6_3.2 <> yahoo.com soa
;; global options: +cmd
;; got answer:
;; ->>header<<- opcode: query, status: noerror, id: 2197
;; flags: qr rd ra; query: 1, answer: 1, authority: 7, additional: 7
;; question section:
;yahoo.com. in soa
;; answer section:
yahoo.com. 1800 in soa ns1.yahoo.com. hostmaster.yahoo-inc.com. 2012081409 3600 300 1814400 600
5.查詢網域名稱的ttl記錄
# dig yahoo.com ttl
; <> dig 9.8.2rc1-redhat-9.8.2-0.10.rc1.el6_3.2 <> yahoo.com ttl
;; global options: +cmd
;; got answer:
;; ->>header<<- opcode: query, status: noerror, id: 56156
;; flags: qr rd ra; query: 1, answer: 3, authority: 0, additional: 0
;; question section:
;yahoo.com. in a
;; answer section:
yahoo.com. 3589 in a 98.138.253.109
yahoo.com. 3589 in a 98.139.183.24
yahoo.com. 3589 in a 72.30.38.140
6.檢視內容資訊
# dig yahoo.com +nocomments +noquestion +noauthority +noadditional +nostats
; <<>> dig 9.8.2rc1-redhat-9.8.2-0.10.rc1.el6 <<>> yahoo.com +nocomments +noquestion +noauthority +noadditional +nostats
;; global options: +cmd
yahoo.com. 3442 in a 72.30.38.140
yahoo.com. 3442 in a 98.138.253.109
yahoo.com. 3442 in a 98.139.183.24
7.查詢所有的dns記錄型別
# dig yahoo.com any +noall +answer
; <<>> dig 9.8.2rc1-redhat-9.8.2-0.10.rc1.el6 <<>> yahoo.com any +noall +answer
;; global options: +cmd
yahoo.com. 3509 in a 72.30.38.140
yahoo.com. 3509 in a 98.138.253.109
yahoo.com. 3509 in a 98.139.183.24
yahoo.com. 1709 in mx 1 mta5.am0.yahoodns.net.
yahoo.com. 1709 in mx 1 mta6.am0.yahoodns.net.
yahoo.com. 1709 in mx 1 mta7.am0.yahoodns.net.
yahoo.com. 43109 in ns ns2.yahoo.com.
yahoo.com. 43109 in ns ns8.yahoo.com.
yahoo.com. 43109 in ns ns3.yahoo.com.
yahoo.com. 43109 in ns ns1.yahoo.com.
yahoo.com. 43109 in ns ns4.yahoo.com.
yahoo.com. 43109 in ns ns5.yahoo.com.
yahoo.com. 43109 in ns ns6.yahoo.com.
8.dns反向查詢
# dig -x 72.30.38.140 +short
ir1.fp.vip.sp2.yahoo.com.
9.查詢多個dns記錄
# dig yahoo.com mx +noall +answer redhat.com ns +noall +answer
; <<>> dig 9.8.2rc1-redhat-9.8.2-0.10.rc1.el6 <<>> yahoo.com mx +noall +answer redhat.com ns +noall +answer
;; global options: +cmd
yahoo.com. 1740 in mx 1 mta6.am0.yahoodns.net.
yahoo.com. 1740 in mx 1 mta7.am0.yahoodns.net.
yahoo.com. 1740 in mx 1 mta5.am0.yahoodns.net.
redhat.com. 132 in ns ns1.redhat.com.
redhat.com. 132 in ns ns4.redhat.com.
redhat.com. 132 in ns ns3.redhat.com.
redhat.com. 132 in ns ns2.redhat.com.
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