SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
tefla-engineering.co.za
SSL/TLS Certificate
SSL/TLS Certificate for tefla-engineering.co.za
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.tefla-engineering.co.za
- Valid from
- Aug 8, 2026
- Valid until
- Nov 6, 2026 (84 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06A8CAD3D08AD0CE3BB22F8953DAC2DC8906
- SHA-256 fingerprint
- 3A:07:0F:9E:E5:5B:48:39:12:EA:68:E9:A5:4F:5B:2D:AF:7C:65:01:E7:CB:89:6C:29:BA:8D:F1:7F:68:40:36
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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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