SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
praat-praktijk.nl
SSL/TLS Certificate
SSL/TLS Certificate for praat-praktijk.nl
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- praat-praktijk.nl
- Valid from
- Aug 20, 2025
- Valid until
- Sep 10, 2026 (48 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 844C1C4DEB3523E1465A497910340DB4
- SHA-256 fingerprint
- C7:ED:C2:4F:3D:33:DB:03:BD:F5:7F:B1:F1:0B:6D:22:E2:42:D2:41:BC:80:9D:D3:09:07:11:7D:83:8D:36:B9
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
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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