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 mtu.edu
Valid- Issued by (CA)
- Internet2
- Subject
- www.mtu.edu
- Valid from
- Dec 8, 2025
- Valid until
- Dec 8, 2026 (141 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 3F6C22F3BDBAB6139B23BAB587F9C110
- SHA-256 fingerprint
- 51:2D:10:C6:DC:37:13:38:A1:90:BF:1F:37:D3:54:91:AC:5A:9F:71:29:04:79:20:6F:AA:C3:99:34:AA:0E:C3
- Chain
- InCommon RSA Server CA 2 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
CAA restricts issuance to amazon.com, digicert.com, emsign.com, globalsign.com, godaddy.com, letsencrypt.org, sectigo.com; we couldn't map the serving CA (Internet2) to one of these identifiers.