SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
hera-architektur.com
SSL/TLS Certificate
SSL/TLS Certificate for hera-architektur.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- hera-architektur.ch
- Valid from
- Sep 7, 2026
- Valid until
- Dec 6, 2026 (73 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05FFF93221452997D7A185FDAAFF0E1365B5
- SHA-256 fingerprint
- 8C:CB:1F:3A:DA:F5:E9:E4:22:06:10:73:E5:FB:1E:1A:68:D8:95:A5:B5:C3:7C:51:0E:92:AA:94:36:05:24:2C
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
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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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