redirect.iwelt.domains has no MX records.
Question and response
Question
dig redirect.iwelt.domains. MX
Answer
The response has no answer records.
Authority
iwelt.domains. 86400 SOA anycast.iwelt.de. do-not-reply.iwelt.domains. 2026024732 43200 7200 1209600 86400
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0