sdsu.edu
Observed 2026-07-17T12:22:36.617656745+00:00 (9h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byProofpoint
Secured byInternet2
Also usesFacebook/MetaGoogle Search ConsoleAtlassian
3 subdomains · education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sdsu.edu actually stands on - every host below is a signed observation
sdsu.edu
A / AAAA
104.20.12.66
Cloudflareserves the site
NS
ns02.sdsu.eduns01.sdsu.edu
sdsu.eduanswers its DNS
MX
mxb-009b9c01.gslb.pphosted.commxa-009b9c01.gslb.pphosted.com
Proofpointreceives its email
TLS
www.sdsu.edu
Internet2issued its certificate
DNS Records
A 1
104.20.12.66
MX 2
10mxb-009b9c01.gslb.pphosted.com10mxa-009b9c01.gslb.pphosted.com
TXT 26
adobe-idp-site-verification=7ca634bd-c1d9-49d3-8bcc-1e5f6186040cMS=ms42297913MS=ms25063800pardot238872=1f5b286cc8ef1eec02146f0c3e75bbb496908a00094ac2a87fdc83cfdf795085smartsheet-site-validation=SCVPHKy1F38uD2zjMJDpJxWBry1VhoPGfacebook-domain-verification=hflgnpr16afby8q6m8p5m0et5wyfkeSFMC-COU69nqBETcp5Bnzw1Rijiv_lFBBlouF9B_Df6eWpardot886933=7d0a9bfa98bc738378206707cb0710bc9cf6bf5b44b245d86a8e2cfd7afffcf3apple-domain-verification=fzMg6Q3joqoCeUdA96150E68E4A243B2A02EA3D554D7AF3470F1533BFA0A006B5656E55D00FCCC03
NS 2
ns02.sdsu.eduns01.sdsu.edu
SOA 1
ns02.sdsu.edu postmaster.sdsu.edu
CAA 10
iodef "mailto:security@sdsu.edu"issue "emsign.com"issue "ssl.com"issue "pki.goog; cansignhttpexchanges=yes"issue "letsencrypt.org"issue "sectigo.com"issue "godaddy.com"issue "digicert.com"issue "amazon.com"issuewild "sectigo.com"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.sdsu.edu |
C=US, O=Internet2, CN=InCommon RSA Server CA 2 | Thu, 11 Mar 2027 23:59:59 +0000 |
InCommon RSA Server CA 2 |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Mon, 15 Nov 2032 23:59:59 +0000 |
USERTrust RSA Certification Authority |
C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services | Sun, 31 Dec 2028 23:59:59 +0000 |
Subdomains (3)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
8a99d7ab-3d4e-499f-b2bc-a12bf9789e11- Output Hash
9db701af6c9811647203da06b60eaecd9a7e85b2090521103094a0928f59ec04- Signature
ed25519:85fcc198047a36da74f3920070806336795ab88b582070fbfdf0c20b0706b4f2908b82dedb72f915488b3c927fb2aac86d007a82c5e9717ac5599caacafa1107- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast