mathquill.com
HTML metadata
Technology
- CDN
- GitHub Pages
- Server
- GitHub.com
Third-party hosts loaded (1)
- ajax.googleapis.com×1
Social
Contact
Registration
- Registrar
- PDR Ltd. d/b/a PublicDomainRegistry.com
- Created
- 2010-04-25
- Expires
- 2027-04-25 341 days left
- Updated
- 2026-04-19
- Name servers
-
- ns.phx1.nearlyfreespeech.net
- ns.phx2.nearlyfreespeech.net
DNS records live
- NS
-
- ns.phx1.nearlyfreespeech.net
- ns.phx2.nearlyfreespeech.net
- MX
-
- 1 aspmx.l.google.com
- 10 aspmx2.googlemail.com
- 10 aspmx3.googlemail.com
- 5 alt1.aspmx.l.google.com
- 5 alt2.aspmx.l.google.com
Email authentication weak
- SPF
-
v=spf1 -allstrict (-all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current) wrong cert
Sectigo Public Server Authentication CA DV R36
Expires in 55 days
HTTP security headers
- findings
-
- checked over plain HTTP
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy