apache - apache2 - can I setup a subdomain without creating an A record? -

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so have 

mydomain.com

and want

test.mydomain.com

can set without creating record subdomain? either .htaccess or

you need in dns. can a, cname, or can use wildcard entry like

*.mydomain.com.  in  cname  mydomain.com.

the above wildcard record, match name under mydomain.com. can use record specific name.

; alias name pointing mydomain.com test.mydomain.com.  in  cname  mydomain.com.  ; or, regular dns record test.mydomain.com.  in       1.2.3.4

without dns entry, browser not know apache instance begin with. cannot solve .htaccess or apache config alone, dns must route request apache first.


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