3mpolska.pl

DNS records live

NS

• a.ns.3m.com
• b.ns.3m.com

Verified for

• Google
• Meta

Email authentication no MX

SPF

v=spf1 -all

strict (-all)

DMARC

v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

policy: reject (enforced)

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

Linked from (4)

• energydays.pl×1
• h2o-scitech.eu×1
• fhu-netpol.pl×1
• pracodawcyrp.pl×1