SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
giraf-educatie.nl
SSL/TLS Certificate
SSL/TLS Certificate for giraf-educatie.nl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.giraf-educatie.nl
- Valid from
- Aug 1, 2026
- Valid until
- Oct 30, 2026 (81 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05697393E72A0DCB39B7BCFDFC333066DEC2
- SHA-256 fingerprint
- 54:DE:D1:6E:94:E5:F1:AA:01:F7:06:5A:04:8C:82:14:96:97:A4:52:FD:A3:E1:01:AE:F3:C0:BB:7B:68:4B:39
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Aug 2, 2026.
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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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