iris.edu
Observed 2026-07-13T16:27:48.293Z (17m ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Also usesGoogle Search Console
9 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat iris.edu actually stands on - every host below is a signed observation
iris.edu
A / AAAA
3.134.246.243
Cloudflareserves the site
NS
ns1.iris.eduns-ext.iris.washington.eduns-ext.adc1.iris.edu
iris.edu + washington.eduanswers its DNS
MX
ALT2.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COM
Google Workspacereceives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.iris.edu/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time463 ms
DNS resolutionNOERROR
Redirect chain
https://www.iris.edu/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
3.134.246.243
MX 2
20ALT2.ASPMX.L.GOOGLE.COM10ASPMX.L.GOOGLE.COM
TXT 5
MS=46BEFF7EC2E1481557D6FD51A7B95B43A39842E4v=spf1 ip4:104.130.141.38 ip4:104.130.253.58 ip4:128.95.166.29 ip4:128.95.166.55 mx a:mail.iris.edu a:lists.ds.iris.edu a:ds.iris.edu a:iris.washington.edu include:_spf.google.com include:edgepilot.com ~allgoogle-site-verification=jscypSPrV1RhfpJL8r5eqVIByDujItdun00SyPgY9Psv=DMARC1; p=none;v=DKIM1; (detected)
NS 3
ns1.iris.eduns-ext.iris.washington.eduns-ext.adc1.iris.edu
SOA 1
ns-ext.iris.washington.edu dns-admin@ds.iris.edu
CAA 2
issue sectigo.comissuewild sectigo.com
TLS Certificates (0)
None.
Subdomains (9)
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
bdac6579-3dd3-44b3-840a-4fff8da645b4- Output Hash
3f5718a784054f2e05ab778d2aba54d4ba134daa4b3d1accc01e1004a66964dd- Signature
ed25519:b600e2a33bd792349d499d3770a8db2eb4de01cfb82000ea9223d7d68f2a0a55f5e87ca952e852ffa1eb73c606c3334ef5e4f6f97c586a9879d1786078ea5b04- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast