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Published 20 hours ago • verified publisher icon steffenfritz

CNAME DMARC not working

Open donserdal opened this issue 9 months ago • 1 comments

Describe the bug When checking a domain with a CNAME'd There is a Go Panic regarding

To Reproduce Check a domain with a CNAME'd DMARC record Can be created using: https://mxtoolbox.com/dmarc/dmarc-setup-cname

Expected behavior DMARC report :-D

Screenshots user@server:~$ mxcheck -n -s < REDACTED >.nl -S default

INFO: 2024/05/14 15:24:50 == Checking: < REDACTED >.nl == INFO: 2024/05/14 15:24:50 Found MX: INFO: 2024/05/14 15:24:50 < REDACTED >-nl.mail.protection.outlook.com. INFO: 2024/05/14 15:24:50 == Checking DKIM record == INFO: 2024/05/14 15:24:50 DKIM not set or wrong selector INFO: 2024/05/14 15:24:50 == Checking DMARC record == panic: interface conversion: dns.RR is *dns.CNAME, not *dns.TXT

goroutine 1 [running]: main.getDMARC({0x7fff3566f5fd?, 0xc0000c95d8?}, {0x70ad2f, 0x7}) /home/user/go/pkg/mod/github.com/steffenfritz/[email protected]/dns.go:245 +0x3cc main.main() /home/user/go/pkg/mod/github.com/steffenfritz/[email protected]/main.go:167 +0xd56

System (please complete the following information):

  • OS: Ubuntu
  • Version 22.04

donserdal avatar May 14 '24 13:05 donserdal