[dns-operations] contact to jimdo.com

A. Schulze sca at andreasschulze.de
Tue Jan 26 09:43:51 UTC 2021


I've an issue resolving MX-Records for domains hosted at [ns11,ns12].jimdo.com
The servers answer same questions in different ways:

dig @ns11.jimdo.com. MIRISSIMA.DE. MX +norec

dig @ns11.jimdo.com. mirissima.de. mx +norec
-> NOERROR, answer

BUT: question for an A-Record are answered no matter upper- or  
lowercase is used.
So my MTA try to deliver messages to the webserver :-/

Usually, UNBOUND, the resolver I use, can handle capitalization issues.
But here, the resolver have no reason to assume a retry with all lowercase
will have an other result.


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