washu.edu
Observed 2026-07-13T06:07:17.542Z (13h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
IPv6 · 12 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat washu.edu actually stands on - every host below is a signed observation
washu.edu
A / AAAA
23.185.0.32620:12a:8001::32620:12a:8000::3
Cloudflareserves the site
NS
ns03.ip.wustl.eduns04.ip.wustl.eduns01.ip.wustl.eduns00.ip.wustl.edu+1 more
wustl.eduanswers its DNS
MX
washu-edu.mail.protection.outlook.com
Microsoft 365receives its email
HTTPS probe
ok
Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time355 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
23.185.0.3
AAAA 2
2620:12a:8001::32620:12a:8000::3
MX 1
10washu-edu.mail.protection.outlook.com
TXT 5
apple-domain-verification=avI5WwVJnvFFxIFEAE0583BA20BF9B0101899C0C621599F5v=spf1 include:spf.protection.outlook.com include:mailgun.org -allMS=ms87679064v=DMARC1;p=quarantine;pct=100;fo=1;rua=mailto:dmarcreports@email.wustl.edu;ruf=mailto:dmarcreports@email.wustl.edu;
NS 5
ns03.ip.wustl.eduns04.ip.wustl.eduns01.ip.wustl.eduns00.ip.wustl.eduns02.ip.wustl.edu
SOA 1
ns00.ip.wustl.edu noc.wustl.edu
CAA 18
issue amazonaws.comissuewild amazon.comissuewild amazonaws.comissue emsign.comissuewild awstrust.comissuewild pki.goog; cansignhttpexchanges=yesissue awstrust.comissue letsencrypt.orgissuewild digicert.comissue sectigo.com
TLS Certificates (0)
None.
Subdomains (12)
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
7d7baa9d-23d1-43a5-b260-e5d38d0404d0- Output Hash
9357cca1b3daff8811ea583aef3ef41c52adbe9d44d41df6c7b884c6625e2eeb- Signature
ed25519:7fbabf9668a33ba4e7a47c7c386f991adfeca8091411313edf4f8484268b66ce8bfdddc6b238e8a4dec3bbfc3b7f0099f8b85b3c4b886426b9f44b4a03b6ae06- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast