Email Authentication

web4u.cz

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 ip4:81.91.87.150 ip4:81.91.87.80 ip4:81.91.87.60 ip4:81.91.87.250 ip4:81.91.87.34/31 ip4:81.91.87.249 ip4:81.91.87.236 ip6:2001:1568:502:1::/64 ip6:2001:1568:502:2::/64 ip6:2001:1568:502:3::/64 ip6:2001:1568::7060 ip6:2001:1568::7236 ip4:77.78.104.121 ip6:2001:1528:137::a include:_spf.jupiter.salesmanago.pl -all

DKIM

pass

Cryptographic signature on outbound mail (selector: default).

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDSlfXDDifk7dqttp8IZsS+jYJArOj/jCbXC1GL+DqteJ1IQ9+J+LUC6R0nHb46bCVnUhHXhZjR8ScdyKr41asUzIzFSVQF4cmV903x21t4wK3BfjY0b6cp00W5sjIB9XYNlYRKgqdHfBhsNkEJ6vg14vk2lTXIYl/sS3jwSLC3XQIDAQAB

DMARC

pass

Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.

v=DMARC1;p=reject;sp=none;pct=100;adkim=s;aspf=r;rua=mailto:dmarc@web4u.cz;ruf=mailto:ruf@web4u.cz

Mail Servers (MX)

10 mx.web4u.cz

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