mail.mailcharger.io has no MX records.
Question and response
Question
dig mail.mailcharger.io. MX
Answer
The response has no answer records.
Authority
mailcharger.io. 300 SOA ns.rackspeed-dns.de. info.rackspeed.de. 2026022403 3600 600 1209600 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0