BIND : Set Alias (CNAME)

	If you'd like to set Alias (Another Name) to a Host, set CNAME record in a zone file.
[1]	Set [CNAME] record in a zone file.

root@dlp:~#  vi /etc/bind/srv.world.lan $TTL 86400 @ IN SOA dlp.srv.world. root.srv.world. ( ;; update serial number 2025081902 ;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 name resolution root@dlp:~#  dig ftp.srv.world. ; <<>> DiG 9.20.11-4-Debian <<>> ftp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47290 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ; COOKIE: 7e75d9024bebab580100000068a3c4c47861c6653b315506 (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 ;; Query time: 0 msec ;; SERVER: 10.0.0.30#53(10.0.0.30) (UDP) ;; WHEN: Tue Aug 19 09:26:44 JST 2025 ;; MSG SIZE rcvd: 104