SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
deka-press.com
SSL/TLS Certificate
SSL/TLS Certificate for deka-press.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- deka-press.com
- Valid from
- Sep 1, 2026
- Valid until
- Nov 30, 2026 (86 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0593F44B97747342C3213A14A5584CCE5BCF
- SHA-256 fingerprint
- 05:CC:5F:D0:AA:06:65:FD:88:BD:36:9A:3E:D6:7B:3C:B4:34:F7:2F:36:EA:E5:A5:CC:50:CA:4B:46:A3:5E:91
- 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.
This certificate has been served since Jul 31, 2026.
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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, DNSSEC, CNAME 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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