wikipedia.pl

DNS records live

NS

• ns1.blnet.pl
• ns2.blnet.pl

MX

• 10 mx.blulink.pl

Email authentication weak

SPF

v=spf1 a mx include:_spf.blnet.pl -all

strict (-all)

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

Linked from (1)

• kopernet.org×1