SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
academia-wefight.com
SSL/TLS Certificate
SSL/TLS Certificate for academia-wefight.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.academia-wefight.com
- Valid from
- Oct 21, 2026
- Valid until
- Jan 19, 2027 (88 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06E4BA9CB0CB791FA438DF4C94CEAB3BF35B
- SHA-256 fingerprint
- 4E:9E:3F:3B:2A:A4:5E:2D:F3:A0:AE:2F:27:34:B8:B7:2E:2A:29:CB:38:69:23:C7:1A:4A:0C:07:3E:4D:61:82
- 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, 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.
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