Matrix subdomain doesn't propagate

I just created two new A records.
One with target subdomain being “mtrx” and the other one “matrix”. mtrx is visible after seconds in DNS lookup. “matrix” does not show at all even after long waiting time!

Can you please explain me why is that and if I can make it work?

Give it a look at

If you get a NXDOMAIN response, your DNS may cache it. I’ve heard some say that NXDOMAIN isn’t cached, but I’ve prematurely checked DNS, only to have NXDOMAIN cached for a bit.

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Wow, OK it was that easy explanation.

Looks like I wasn’t patient enough.


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