SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
tecsa-srl.it
SSL/TLS Certificate
SSL/TLS Certificate for tecsa-srl.it
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- tecsa-srl.it
- Valid from
- Sep 15, 2026
- Valid until
- Dec 14, 2026 (67 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 069F9100E28D80CF70D456205B9ADF82D24C
- SHA-256 fingerprint
- B8:D8:37:72:B8:F7:7E:3F:95:BC:99:5E:F4:D1:C0:97:E5:63:E6:05:C2:02:E5:E1:03:76:0A:59:4C:93:2F:C3
- 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.
We've observed 1 previous certificate for this host. This certificate has been served since Sep 29, 2026.
Never get surprised by tecsa-srl.it's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch tecsa-srl.it 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, 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.