SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
psycholoog-lelystad.com
SSL/TLS Certificate
SSL/TLS Certificate for psycholoog-lelystad.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- psycholoog-lelystad.com
- Valid from
- Sep 12, 2026
- Valid until
- Dec 11, 2026 (40 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 050E47953E997D190BA0F5E4CFBE2C09387A
- SHA-256 fingerprint
- 88:87:41:D4:D1:1D:B8:E3:83:BC:F1:6D:D4:47:DC:CD:F1:55:FC:FD:42:0F:8F:0D:27:B7:51:1A:A3:AE:02:23
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, sectigo.com).
Never get surprised by psycholoog-lelystad.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch psycholoog-lelystad.com 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, CNAME, TXT 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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