SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
der-freund.de
SSL/TLS Certificate
SSL/TLS Certificate for der-freund.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- der-freund.de
- Valid from
- Jun 22, 2026
- Valid until
- Sep 20, 2026 (56 days remaining)
- Public key
- EC 256-bit
- Serial
- 0528FACA7E1573D016AFC180CA7D8387C909
- SHA-256 fingerprint
- C6:18:BF:36:1B:C8:D5:B7:88:96:36:54:51:86:61:D7:6F:77:2A:6B:2E:51:06:10:B3:8E:AD:B5:67:FA:F1:73
- Chain
- YE2 → Root YE → ISRG Root X2 → 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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