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patgauth
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patgauth

DNS configuration 2 domains

January 28, 2015 1.5k views

Hello,

I have one droplet with 2 distinct DNS entries pointing to it.

domain1.ca. 1800 IN A [ip]
domain1.ca. 1800 IN NS ns1.digitalocean.com.
domain1.ca. 1800 IN NS ns2.digitalocean.com.
domain1.ca. 1800 IN NS ns3.digitalocean.com.
www.domain1.ca. 1800 IN CNAME domain1.ca.
*.domain1.ca. 1800 IN A [ip]

domain2.com. IN SOA ns1.digitalocean.com. hostmaster.domain2.com. 1412268938 10800 3600 604800 1800
domain2.com. 1800 IN A [ip]
domain2.com. 1800 IN NS ns1.digitalocean.com.
domain2.com. 1800 IN NS ns2.digitalocean.com.
domain2.com. 1800 IN NS ns3.digitalocean.com.
www.domain2.com. 1800 IN CNAME domain2.com.

my nginx has those 2 configs:

server {
server_name domain2.com www.domain2.com;
...
}

server {
server_name domain1.ca www.domain1.ca;
...
}

My problem is that , if i go to whatever.domain1.ca, nginx leads to my domain2 config.

I tried to play with A and CNAME with no solution, any help?

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3 Answers
EpicCDN January 28, 2015

There is not a directive for wildcard subdomains, so you will be answer by first conf in line

server {
server_name domain2.com www.domain2.com;
...
}

server {
server_name domain1.ca www.domain1.ca;
...
}

it should be something around this lines:

server {
server_name .domain2.com;
...
}

server {
server_name .domain1.ca;
...
}

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patgauth January 28, 2015

It worked, thank you!

Reply
ryanpq MOD January 28, 2015

If you want to support additional subdomains or have your site act as a catch-all for subdomains in that domain you would want to update your server_name parameter to look like this:

server {
server_name domain1.ca www.domain1.ca *.domain1.ca;
...
}

The addition of the *.domain1.ca tells nginx to serve requests for any name that ends with domain1.ca.

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