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Re:Ask HN: What under-the-radar technology are you excited a... by wildfire on Monday April 12, 2021 @09:41PM (#26787283)
While there are plenty of domain which only exist to serve a website, quite a few others have more than that.

With a website, if you want to push it onto a Content Delivery Network (CDN) it is easy to change www.example.com to point (via a CNAME record) to the right place.

If, however, you want to do that with the just example.com and also want to run things like mail, you can not use the CNAME record.

The why is long and boring, but that is the situation right now.

Re:Ask HN: What under-the-radar technology are you excited a... by vdqtp3 on Tuesday April 13, 2021 @02:14AM (#26788653)
Is it long and boring? I thought it was just if you declare a CNAME, you can't declare any other types. Full stop.