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A comment on Should you use www or not in your domain? (2017). Parent comment

Re:Should you use www or not in your domain? (2017) by ericpauley on Sunday November 11, 2018 @10:25AM (#18426767)
CNAME is absolutely an issue, especially when using managed hosting. Many hosts require that you CNAME since they move around IPs. (e.g. Heroku) so unless you put a provider in front of them that integrates with your DNS you need www.
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Re:Should you use www or not in your domain? (2017) by hacknat on Sunday November 11, 2018 @10:38AM (#18426843)
You can add AWS, Azure, and GCP to this list. Most people don’t want to lay out the money for a static IP, and why should they?
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Re:Should you use www or not in your domain? (2017) by yegle on Sunday November 11, 2018 @11:17AM (#18427070)
Not true for App Engine: we have a fixed set of IP addresses to be used in A/AAAA record.

Disclaimer I work on App Engine.

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Re:Should you use www or not in your domain? (2017) by hacknat on Sunday November 11, 2018 @11:54AM (#18427251)
This FAQ on App Engine specifically says you guys can’t map a static IP to a site:

https://cloud.google.com/appengine/kb/

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Re:Should you use www or not in your domain? (2017) by stickfigure on Sunday November 11, 2018 @12:41PM (#18427512)
That is something different. If you want to run your app on a naked domain, they give you a set of A/AAA records you can use.

Search in that same document for "naked domain".

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Re:Should you use www or not in your domain? (2017) by merb on Sunday November 11, 2018 @01:15PM (#18427679)
you should read before you write.

> I'd like to map my app to a naked domain (such as http://example.com).

vs.

> App Engine does not currently provide a way to map static IP addresses to an application

the latter is that you own an IP and want to map it against your appengine.

the former is example.com -> appengine site.

(not related to google)

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Re:Should you use www or not in your domain? (2017) by gray_-_wolf on Sunday November 11, 2018 @11:39AM (#18427184)
We solved this by having cloudflare manage our dns and they offer something like "cname to ip".
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Re:Should you use www or not in your domain? (2017) by TheRealPomax on Sunday November 11, 2018 @01:53PM (#18427872)
You sidestepped it, rather than really solved it: you got rid of the CNAME issue by trading it for a proxy availability issue. It works--of course it works, it's literally why cloudflare exists--but now your service availability is directly tied to cloudflare's availability. And cloudflare glitches often enough that plenty of people run into their 5xx pages on a daily basis across the web.

So you traded an intermittent problem (only relevant when an IP change occurs) for 24/7 guaranteed service outages for a (probably very) low percentage of your intended demographic.

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Re:Should you use www or not in your domain? (2017) by hamandcheese on Sunday November 11, 2018 @03:03PM (#18428252)
Cloudflare provides CNAME flattening without enabling Cloudflare CDN on a domain, so you only have to be dependent on their DNS infrastructure, not their CDN/proxying infrastructure.
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Re:Should you use www or not in your domain? (2017) by Dylan16807 on Sunday November 11, 2018 @02:10PM (#18427946)
"Now your service availability is tied to your DNS service's availability" is always true.
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Re:Should you use www or not in your domain? (2017) by TheRealPomax on Tuesday November 13, 2018 @09:18PM (#18446879)
Would you like me to edit it so it says "Now your service availability is tied to not just the global DNS system that literally anything that wants to exist on the web with not just an IP but a named host relies on, but a secondary routing entity that sits on top of standard DNS and does fancy things"?

Because I'm pretty sure we all know what I meant when I pointed out using Cloudflare means gaining a convenience at the expense of being at the mercy of third party outages.

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Re:Should you use www or not in your domain? (2017) by amingilani on Sunday November 11, 2018 @04:03PM (#18428578)
For pretty much any DNS service you use.
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Re:Should you use www or not in your domain? (2017) by scoggs on Sunday November 11, 2018 @02:25PM (#18428044)
It could just be a stopgap in the meantime while they write the true solution? Just a thought.
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