SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
halbedl-architektur.com
SSL/TLS Certificate
SSL/TLS Certificate for halbedl-architektur.com
Valid- Issued by (CA)
- DigiCert Inc
- Subject
- halbedl-architektur.com
- Valid from
- Oct 2, 2025
- Valid until
- Oct 1, 2026 (71 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0C4505F7535DEAEDD8ACD551EFAB1F3E
- SHA-256 fingerprint
- D4:06:31:F2:15:DD:2E:33:C0:A4:9E:D1:E0:8D:EF:D9:CF:D2:F3:C4:74:91:85:51:1D:BB:26:3C:1A:0E:56:4D
- Chain
- Encryption Everywhere DV TLS CA - G2 → DigiCert Global Root G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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