krokus.net.pl
DNS records live
- NS
-
- dns0.krokus.com.pl
- dns1.krokus.com.pl
- MX
-
- 0 mail100.iwacom.pl
Email authentication weak
- SPF
-
v=spf1 a mx mx:elf.krokus.com.pl ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current) wrong cert
Sectigo Public Server Authentication CA DV R36
Expires in 211 days