SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
tis-gmbh.de
SSL/TLS Certificate
SSL/TLS Certificate for tis-gmbh.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- webmail.lkw-abfahrtkontrolle.de
- Valid from
- Jul 2, 2026
- Valid until
- Sep 30, 2026 (45 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 053D96D0E2670A5C88C8FD3ECB73F893B426
- SHA-256 fingerprint
- F8:93:BE:8C:5C:AA:92:58:43:48:78:C8:59:EA:60:79:85:A1:EE:39:3D:E8:C5:80:88:65:03:5B:FC:A0:B2:11
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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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