options.com.pl
DNS records live
- NS
-
- dns1.onyx.pl
- dns2.onyx.pl
- MX
-
- 10 postmaster.onyx.pl
Email authentication weak
- SPF
-
v=spf1 mx a -allstrict (-all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current) wrong cert
R12
Expires in 26 days
Linked from (1)
- onyx.pl×1