reed.edu
Observed Jul 24, 2026, 03:41 UTC (5h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Email byGoogle (SPF sender)
Secured byLet's Encrypt
Also usesZoomGoogle Search Console
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat reed.edu actually stands on - every host below is a signed observation
reed.edu
A / AAAA
134.10.50.30
unattributedserves the site
NS
ns-1491.awsdns-58.orgns-1897.awsdns-45.co.ukns-251.awsdns-31.comns-708.awsdns-24.net
awsdns-58.org + awsdns-45.co.uk + moreanswers its DNS
MX
smtp-4.reed.edusmtp-5.reed.edu
Google (SPF sender)receives its email
TLS
reed.edu
Let's Encryptissued its certificate
DNS Records
A 1
134.10.50.30
MX 2
5smtp-4.reed.edu5smtp-5.reed.edu
TXT 8
B6D44289022226858E7D403ECAC3B6E0BDD0BBFBE733FE25C58D8A77ACB61FB5ZOOM_verify_rsVTiArdCarqCeMB7WEbYhgoogle-site-verification=ETPlPk6Xqw36VDNyjxCyJQCXsDg1HVB7CNQ-cWQ2y_8google-site-verification=MEqxXkj_Umi97N3Xavmf1CAJzLB_-FGEm6Q2TNTl17Ihcp-domain-verification=bc4a0c644563c3e4647efae1fa397d613dffe554cf2ad8559b579d90dc5667e4v=spf1 ip4:134.10.0.0/16 mx include:_spf.google.com include:servers.mcsv.net include:_spf.qualtrics.com include:amazonses.com ip4:52.173.196.55/32 ip4:66.151.109.0/24 ip4:34.194.230.233/32 ip4:34.230.107.215/32 ~allv=DMARC1; p=none; aspf=r; adkim=r; rua=mailto:dmarc@gsq6m1fq.uriports.com; ruf=mailto:dmarc-ruf@reed.edu;
NS 4
ns-1491.awsdns-58.orgns-1897.awsdns-45.co.ukns-251.awsdns-31.comns-708.awsdns-24.net
SOA 1
ns-251.awsdns-31.com awsdns-hostmaster.amazon.com
SRV 1
tetra.reed.edu:5222 p0
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
reed.edu |
C=US, O=Let's Encrypt, CN=R12 | Thu, 20 Aug 2026 08:22:15 +0000 |
R12 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 23:59:59 +0000 |
Subdomains (0)
None observed.
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
rcpt_f5cbb5f717c52943- Output Hash
7fc3cf126e0859c0129581f08f95c0504e9b5539f28284e51a34dcfc527bf85e- Signature
ed25519:f9afe6bf46ad2ea3ea0ca5b030ea8470bc0ca0d60d24e9814ae9a018ec66d8f4446542424737314812adbce0706143828208f414dd4dce9bc1a5236b01028e04- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast