SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
derie-lopik.nl
SSL/TLS Certificate
SSL/TLS Certificate for derie-lopik.nl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- derie-lopik.nl
- Valid from
- Oct 8, 2026
- Valid until
- Jan 6, 2027 (79 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0532744DA077C9B6A211533974255EC4CE63
- SHA-256 fingerprint
- E7:A2:7D:A1:08:BE:5D:0E:69:9B:58:3F:5A:A9:01:F6:91:87:0E:9E:82:0F:8F:F2:87:1D:80:B4:12:50:09:0F
- 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 2 previous certificates for this host. This certificate has been served since Oct 8, 2026.
Never get surprised by derie-lopik.nl's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch derie-lopik.nl 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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