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I have a hostname like this: https://abc.xyz.com

I want to force resolve the dns everytime a request arrives, because if the dns of abc.xyz.com changes i want nginx to still be able to proxy to the site, therefore need to resolve the dns again.

Now i followed this post How to force nginx to resolve DNS (of a dynamic hostname) everytime when doing proxy_pass? and my configuration looks like this

server { ... resolver abc.xyz.com; set $backend "http://abc.xyz.com"; proxy_pass $backend; ... }

And i get this error [error] 9#9 recv() failed (111: connection refused) while resolving, resolver: <some-dns>:53

I don't understand what i'm doing wrong here, i guess it has something to do with the resolver. The only difference is that the guy in the post put dns there 127.0.0.1. I don't think i want to do that since dns/ip can change when i redploy my app and i saw you can give resolver a hostname but it doesn't work and i get this error.

Any help would be appreatiated!

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The resolver tells which DNS recursive server is used to resolve the domain name. You need to point it to your DNS server's IP address.

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  • so if im understanding correcty, my application is not the dns server? and i need to figure out my dns-server's hostname (like dns-server.dns.com) or their dns( im assuming their dns doesnt change)? Commented Dec 6, 2021 at 17:45
  • You need to add your DNS resolver's IP address to the directive. Commented Dec 6, 2021 at 18:19
  • do you know where/how do I find that? sorry if its obvious and im stupid Commented Dec 6, 2021 at 18:42
  • You need to ask your hosting provider what are their DNS addresses. Commented Dec 6, 2021 at 22:30

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