SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
brs2.schule
SSL/TLS Certificate
SSL/TLS Certificate for brs2.schule
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- brs2.schule
- Valid from
- Aug 5, 2026
- Valid until
- Nov 3, 2026 (50 days remaining)
- Public key
- EC 256-bit
- Serial
- 0527A0D6C855AA02B7A474DAB00D028ECFE9
- SHA-256 fingerprint
- B4:19:D4:7E:36:BC:62:88:F5:62:EC:D0:CB:61:43:A4:74:9C:D5:B1:1F:9B:E9:75:49:E7:D2:49:5C:C6:2C:DC
- Chain
- YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).
This certificate has been served since Sep 12, 2026.
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Uptime
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DNS changes
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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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