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If you want to direct users to the closest server to them using only DNS then i would recommend setting up a couple of cheap VPS's you can use to host your own DNS in different geographical locations. DNS round robin isn't really a great way to do geo location based load balancing because if you have multiple A records with different IP addresses the DNS ...


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Solved. I added www.ordr.my into my Heroku custom domain section and change ordr.my CNAME (root domain) to my Heroku app just like below: Cloudflare Heroku


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No need to manipulate the DNS protocol. You can simply add multiple A records with different IPs. The DNS server will return the various A records in random order, thus your users will be distributed randomly across the various IP addresses.


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CloudFlare is setting up the domain. Since it is used to work with the main domain. Techincally speaking the "www." prefix is always a subdomain/CNAME/alias of the main domain. You're all fine with CloudFlare configuring the domain without www since you're able to control both the non-www and www part of it. So for the DNS settings, everything looks fine. ...


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If you're curious to see your propagation, visit https://www.whatsmydns.net/ and enter your domain to see where it's checking in on various DNS servers. Your mobile phone is a different network than your home computer and is using different DNS servers. You can also try flushing your DNS on your computer to see if that's a culprit: ...


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It turns out this was indeed a bug in their system where the introduction of .uk domains a year ago as a country-code top level domain (ccTLD) and not just as a second-level domain (e.g. .co.uk, .org.uk, .ac.uk etc.), had not yet been catered for in their system.


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Nameservers needn't have the same extension as the hosted domain, just use whatever amazon throws at you


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The < appname >.herokuapp.com target is doing virtualhosting (hosting multiple domains on one IP) and your space is configured to serve requests for < appname >.herokuapp.com but since you made a CNAME of www.< domain >.net pointing to it, the target is getting a request for www.< domain >.net and unless the target is specifically configured to ...


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www. is an automatic alias. (See http://www.chickenaday.appspot.com/ vs http://chickenaday.appspot.com/). Why force the user? If you do want to redirect, you could try this untested snippet of slightly modified code from http://stackoverflow.com/a/10964868/3164117: from urlparse import urlparse, urlunparse @app.before_request def redirect_nonwww(): ...


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No need for any tools really. You don't even need to change your nameservers. You can do it with just an A record(s) for the most part. First log into your DNS zone manager. Then make an A record pointing the domain to your server IP. Then make a www CNAME record with an alias to that domain, as well as an MX of the same domain alias. On the server, use ...



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