SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
seidel-tanzschule.net
SSL/TLS Certificate
SSL/TLS Certificate for seidel-tanzschule.net
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- seidel-tanzschule.net
- Valid from
- Sep 27, 2026
- Valid until
- Dec 26, 2026 (68 days remaining)
- Public key
- EC 256-bit
- Serial
- 0676F5C074647D3E156CFEC250B6182EA546
- SHA-256 fingerprint
- 67:24:8F:1A:DC:A2:A0:4A:92:DC:D5:D0:07:EA:77:34:E8:4D:2B:8B:99:FA:EA:60:32:A1:64:80:52:38:13:74
- Chain
- YE1 → 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.
This certificate has been served since Sep 30, 2026.
Never get surprised by seidel-tanzschule.net's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch seidel-tanzschule.net 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.