wustl.edu
Observed Jul 18, 2026, 12:06 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onFastly
Email bySalesforce
Secured byLet's Encrypt
Also usesGoogle Search ConsoleAtlassianDocuSign
1 subdomain · education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat wustl.edu actually stands on - every host below is a signed observation
wustl.edu
A / AAAA
23.185.0.3
Fastlyserves the site
NS
ns00.ip.wustl.eduns03.ip.wustl.eduns01.ip.wustl.eduns02.ip.wustl.edu+1 more
wustl.eduanswers its DNS
MX
smtp3.mx.wustl.edusmtp4.mx.wustl.edusmtp2.mx.wustl.edusmtp1.mx.wustl.edu+1 more
Salesforcereceives its email
TLS
washu.edu
Let's Encryptissued its certificate
DNS Records
A 1
23.185.0.3
MX 5
10smtp3.mx.wustl.edu10smtp4.mx.wustl.edu10smtp2.mx.wustl.edu10smtp1.mx.wustl.edu100ms43096679.msv1.invalid.wustl.edu
TXT 35
google-site-verification=avl1q9k6NW9ftWu-HBoYBg910KjxNWZntqy4Tc6Nn2cDRXV5DYS8LIBHYFHQX71LXN02CM3U1I13WSDI82QUamazonses:5P6+gURez5gGPEvpi0/wfckAiqkC1YQQ8apk8eimtHU=status-page-domain-verification=cn9gsmct0vf9google-site-verification=CmuLI-dvXn4RbwGrJw_y48JU0VNJvC4JkVm40hMZcGkd365mktkey=7kdpn9nbfup2mhfxhlmmiqdxxgoogle-site-verification=Mq4I7BGfm3L6R7e2IiBwWPzUgyf_ZSuv1pCStANKR58google-site-verification=5uUcdG0dg8qqYOAbQy9xGiPqtRcGK4yMdHa6wtVYl9Mpsgk4qeplqpgp492he3nkfdapgd365mktkey=2g70u9s8aufmjqsdjxl37doc
NS 5
ns00.ip.wustl.eduns03.ip.wustl.eduns01.ip.wustl.eduns02.ip.wustl.eduns04.ip.wustl.edu
SOA 1
ns00.ip.wustl.edu noc.wustl.edu
SRV 1
expressway-e.wusm.wustl.edu:5061 p10
CAA 18
issue "amazontrust.com"issuewild "amazon.com"issue "amazon.com"issuewild "digicert.com"issue "digicert.com"issuewild "pki.goog; cansignhttpexchanges=yes"issue "pki.goog; cansignhttpexchanges=yes"issuewild "letsencrypt.org"issue "letsencrypt.org"issuewild "sectigo.com"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
washu.edu |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 04 Sep 2026 17:25:39 +0000 |
YR1 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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
ab8b1d3b-f296-48bf-8aa9-da81b5d7c382- Output Hash
8c9f7660ff37fcc404829446b42645007b7855c11715dc22b98d8aa06e62a74a- Signature
ed25519:072e61f973cf043efb1223aff2a507e7bd2262ea8c6c62cbe36f2c24fafd4511178f02ce7e17211235fedcdb0e9f34e53bfc4141a4c41ed2f51da7535cad8704- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast