Question

How can I get a DNS sub domain to a different NGINX server without https?

Posted September 2, 2016 2k views
Nginx DNS Ubuntu 16.04

I have followed the How to set up and test dns subdomains tutorial in order to redirect a subdomain to a nginx test server.

This tutorial is outdated and the panel looks somewhat different now.

My zone file looks like this:

$ORIGIN geolytix.com.
$TTL 1800
geolytix.com. IN SOA ns1.digitalocean.com. hostmaster.geolytix.com. 1472841549 10800 3600 604800 1800
geolytix.com. 1800 IN NS ns1.digitalocean.com.
geolytix.com. 1800 IN NS ns2.digitalocean.com.
geolytix.com. 1800 IN NS ns3.digitalocean.com.
*.www.geolytix.com. 1800 IN CNAME www.geolytix.com.
*.ngx.geolytix.com. 1800 IN CNAME ngx.geolytix.com.
geolytix.com. 1800 IN A 178.62.114.162
www.geolytix.com. 1800 IN A 178.62.114.162
ngx.geolytix.com. 1800 IN A 138.68.141.104

When I test the host ngx.geolytix.com I get the right address returned. But when I put the address in the browser I get a redirect to https://ngx.geolytix.com.

I have no clue why this is happening?

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2 answers

I was not able to replicate this. Going to http://ngx.geolytix.com did not result in a redirect and instead showed the nginx default page. My guess would be that you have a 301 redirect cached in your browser or on your network. I would recommend testing this by trying to open the page in a different browser or from a different computer or smartphone that has not previously visited ngx.geolytix.com

  • You are right. I have a 301 on the domain geolytix.com on the production NGINX server.

    Clearing the browser cache did indeed resolve this issue. Thanks for the suggestion. I wouldn’t have thought a browser will cache a 301 on a domain for new sub domains. Good to know. Thanks.

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