Hi, i need help with that, i have a error on testing on http://mxtoolbox.com or other similar testers.
The error is: B Reverse DNS is not a valid Hostname [/B]
now i have this config:
ipv4.mydomain.com A 1.1.1.1 43200
mail.mydomain.com A 1.1.1.1 43200
mydomain.com A 1.1.1.1 43200
ns1.mydomain.com A 1.1.1.2 43200
ns2.mydomain.com A 1.1.1.1 43200
ftp.mydomain.com CNAME mydomain.com 43200
www.mydomain.com CNAME mydomain.com 43200
mydomain.com NS ns1.mydomain.com 43200
mydomain.com NS ns2.mydomain.com 43200
mydomain.com MX 10 mail.mydomain.com 43200
1.1.1.1.in-addr.arpa PTR mydomain.com 43200
mydomain.com SOA ns1.mydomain.com hostmaster@mydomain.com 7200 300 1209600 10800 N/A
default._domainkey.mydomain.com TXT v=DKIM1; k=rsa; t=y; p=2 qYq SMa HTg DVR qRG JQj jtO lFw 9b/ …; 43200
_domainkey.mydomain.com TXT v=DKIM1; k=rsa; t=y; 43200
_dmarc.mydomain.com TXT v=DMARC1; p=none 43200
mydomain.com SPF v=spf1 a mx ip4:1.1.1.1 include:mail.mydomain.com ~all 43200
mydomain.com AAAA 2001:89tf:3:1e9f:: 43200
ipv6.mydomain.com AAAA 2001:89tf:3:1e9f::
AND my Mail Server Hostname (FQDN): mail.mydomain.com
How i need configure the dns? or how to fix that?