SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
dit-helsingoer.dk
SSL/TLS Certificate
SSL/TLS Certificate for dit-helsingoer.dk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.dit-helsingoer.dk
- Valid from
- Oct 19, 2026
- Valid until
- Jan 17, 2027 (77 days remaining)
- Public key
- EC 256-bit
- Serial
- 05EB768D91B42E12225836377029ECECAA0D
- SHA-256 fingerprint
- 21:D7:C5:17:3B:C3:8E:AE:3D:F8:21:74:01:5A:3F:8D:3C:51:9C:47:5A:F0:03:6F:2E:44:87:20:3F:45:17:A7
- Chain
- YE2 → Root YE → ISRG Root X2 → 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 dit-helsingoer.dk's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch dit-helsingoer.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, 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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