SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
tec-lac.com
SSL/TLS Certificate
SSL/TLS Certificate for tec-lac.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.tec-lac.com
- Valid from
- Sep 19, 2026
- Valid until
- Dec 18, 2026 (87 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05096B59F1B4B16C9DE0370EB54F5963B4C4
- SHA-256 fingerprint
- 96:17:D6:8F:A0:02:38:5C:C6:41:54:8A:6F:D7:F8:5F:6B:8E:5F:CB:C9:9B:52:1B:59:24:41:9D:B7:9C:37:77
- 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 Sep 20, 2026.
Never get surprised by tec-lac.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch tec-lac.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, 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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