SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ded-1.com
SSL/TLS Certificate
SSL/TLS Certificate for ded-1.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- ded-1.com
- Valid from
- Oct 29, 2026
- Valid until
- Jan 27, 2027 (88 days remaining)
- Public key
- EC 256-bit
- Serial
- 055F87F0019CB92D726C6C9C7EFF93632A43
- SHA-256 fingerprint
- 35:C9:B2:DF:56:AC:3D:10:EC:FA:0C:CC:28:2E:78:76:C8:6A:E5:A6:0D:D8:10:64:35:D9:FB:94:F2:FD:76:E5
- 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.
Never get surprised by ded-1.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch ded-1.com 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.