SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for iteh.net
Expired- Issued by (CA)
- Internet2
- Subject
- iteh.ucsd.edu
- Valid from
- Jul 9, 2025
- Valid until
- Jul 9, 2026 (expired 67 days ago)
- Public key
- RSA 4096-bit
- Serial
- E5B3B97DB5CFC30EEAE24CCC65D66055
- SHA-256 fingerprint
- 22:3F:12:E8:EE:3A:73:98:D6:F7:2A:36:6C:C6:10:BE:7B:43:30:02:20:F9:E4:2D:D4:90:20:BD:E2:77:2B:DB
- Chain
- InCommon RSA Server CA 2 → USERTrust RSA Certification Authority → AAA Certificate Services
Certificate Authority Authorization (CAA)
CAA restricts issuance to letsencrypt.org; we couldn't map the serving CA (Internet2) to one of these identifiers.
Never get surprised by iteh.net's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch iteh.net 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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