goldener-zirkel.com
HTML metadata
Technology
- Server
- nginx
Contact
- Phone
Registration
- Registrar
- Hetzner Online GmbH
- Created
- 2014-12-05
- Expires
- 2026-12-05 197 days left
- Updated
- 2025-12-06
- Name servers
-
- ns1.first-ns.de
- robotns2.second-ns.de
- robotns3.second-ns.com
DNS records live
- NS
-
- ns1.first-ns.de
- robotns2.second-ns.de
- robotns3.second-ns.com
- MX
-
- 10 ssl.zirkel-mailserver.de
- Verified for
-
- Apple
- Brevo
Email authentication strong
- SPF
-
v=spf1 a mx ip4:217.154.75.136 ip4:176.9.10.100 ip4:188.40.97.123 ip4:167.235.119.167 ip6:2a05:d014:d75:5000::/56 ip6:2a01:4f8:2200:23e8::2 ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=reject; rua=mailto:d285ff4d@mxtoolbox.dmarc-report.com; ruf=mailto:dmarc@goldener-zirkel.com,mailto:d285ff4d@forensics.dmarc-report.com; fo=1policy: reject (enforced) - DKIM
-
- default:
v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuTKtczs9CdtO57uqxAweDNmU9wK20gvjAkV4T8ITTIsOULPgv/4lh3LgjF5x2R1FVT76tgzGtAJ9Ofaz3UOOB…
selectors probed - default:
Certificate (current)
R13
Expires in 54 days
HTTP security headers
- present
-
- x-frame-options
- x-content-type-options
- referrer-policy
- permissions-policy
- findings
-
- missing HSTS
- missing Content Security Policy
Header values
- referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin- x-frame-options
SAMEORIGIN- permissions-policy
interest-cohort=()- x-content-type-options
nosniff