aboptimal.org
HTML metadata
Technology
- Server
- Apache
Contact
- Phone
Registration
- Registrar
- Key-Systems GmbH
- Created
- 2014-07-25
- Expires
- 2026-07-25 64 days left
- Updated
- 2025-11-24
- Name servers
-
- ns01.1blu.de
- ns02.1blu.de
DNS records live
- NS
-
- ns01.1blu.de
- ns02.1blu.de
- MX
-
- 10 mail.aboptimal.org
Email authentication weak
- SPF
-
v=spf1 mx include:_spf.1blu.de ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 41 days
HTTP security headers
- findings
-
- missing HSTS
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy