SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
dc-grup.com
SSL/TLS Certificate
SSL/TLS Certificate for dc-grup.com
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- dc-grup.com
- Valid from
- Aug 19, 2025
- Valid until
- Nov 17, 2025 (expired 357 days ago)
- Public key
- RSA 2048-bit
- Serial
- 05E08EC2A4D9CFF8948F5C1B206B0624A745
- SHA-256 fingerprint
- 3C:CC:4F:9C:E1:E4:64:67:C1:BA:34:8B:F6:FC:EC:B1:EC:2C:FB:BE:51:A5:8C:1A:40:42:51:81:58:BA:67:0D
- Chain
- R11 → 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 Sep 14, 2026.
Never get surprised by dc-grup.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch dc-grup.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.