madeo.cz

DNS records live

NS

• ns.web4u.cz
• ns2.web4u.cz

MX

• 10 mx1.mailchannels.net
• 10 mx2.mailchannels.net

Verified for

• Microsoft 365

Email authentication weak

SPF

v=spf1 ip4:81.91.86.0/23 ip4:81.91.87.10 ip6:2001:1568::/64 ip6:2001:1568:502::/48 ip4:77.93.218.144/28 ip4:85.207.4.32/28 ip6:2a01:430:134::/48 -all

strict (-all)

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

Linked from (1)

• mball.cz×1