SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for dfs.de
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- *.dfs.de
- Valid from
- Aug 18, 2026
- Valid until
- Mar 4, 2027 (115 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 90FD3CCAD3FEE0855B5886F2CCFF45F0
- SHA-256 fingerprint
- A2:B3:46:1B:9D:BB:7A:10:89:BF:12:E6:EC:8A:E9:3B:B4:68:7E:91:17:9B:36:3C:FB:A2:FD:D0:55:79:5D:BE
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Sep 23, 2026.
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Uptime
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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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