BIND : Set Alias (CNAME)2020/05/03 |
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. |
[root@dlp ~]#
vi /var/named/srv.world.lan $TTL 86400 @ IN SOA dlp.srv.world. root.srv.world. ( # update serial if update zone file 2020050302 ;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 9.11.18-RedHat-9.11.18-1.fc32 <<>> ftp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60288 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: bc49ca9b92650e23fa8f4a535eae88e36047ded62df29329 (good) ;; 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 ;; AUTHORITY SECTION: srv.world. 86400 IN NS dlp.srv.world. ;; Query time: 0 msec ;; SERVER: 10.0.0.30#53(10.0.0.30) ;; WHEN: Sun May 03 05:03:31 EDT 2020 ;; MSG SIZE rcvd: 118 |
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