SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for sam-s.dk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sam-s.dk
- Valid from
- Jul 20, 2026
- Valid until
- Oct 18, 2026 (43 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 058A120ED249B585D159271A33CAD55EE825
- SHA-256 fingerprint
- 4A:B0:7B:AB:83:EE:C9:47:53:D4:28:1A:36:06:A4:2F:02:11:BB:A0:81:3E:4E:C4:7B:3A:D0:3E:E2:1E:BF:34
- 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.
Never get surprised by sam-s.dk's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch sam-s.dk continuously, notifying you the moment anything moves across all three signals:
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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