BIND : Set Alias (CNAME)2022/04/26 |
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If you'd like to set Alias (Another Name) to a Host, set CNAME record in a zone file.
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| [1] | Set [CNAME] record in a zone file. |
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root@dlp:~#
vi /etc/bind/srv.world.lan
$TTL 86400
@ IN SOA dlp.srv.world. root.srv.world. (
# update serial number
2022041602 ;Serial
3600 ;Refresh
1800 ;Retry
604800 ;Expire
86400 ;Minimum TTL
)
IN NS dlp.srv.world.
IN A 10.0.0.30
IN MX 10 dlp.srv.world.
dlp IN A 10.0.0.30
www IN A 10.0.0.31
# [Alias] IN CNAME [Original Name]
ftp IN CNAME dlp.srv.world.
root@dlp:~#
rndc reload server reload successful # verify resolution root@dlp:~# dig ftp.srv.world. ; <<>> DiG 9.18.1-1ubuntu1-Ubuntu <<>> ftp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6486 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 65494 ;; QUESTION SECTION: ;ftp.srv.world. IN A ;; ANSWER SECTION: ftp.srv.world. 86400 IN CNAME dlp.srv.world. dlp.srv.world. 86400 IN A 10.0.0.30 ;; Query time: 4 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP) ;; WHEN: Tue Apr 26 07:33:03 UTC 2022 ;; MSG SIZE rcvd: 76 |
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