um.lei.tung.de has no MX records.
Question and response
Question
dig um.lei.tung.de. MX
Answer
The response has no answer records.
Authority
tung.de. 86400 SOA ns1.webgo.de. hostmaster.webgo.de. 2023022801 28800 7200 1309600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0