CONTINUOUS INTERNET TELEMETRY24H DRIFT7,541 material changesacross 7,227 domains · +6,632 vs yesterdayDNS DRIFT533 domains changed DNS providertop destination parity.domains · +507 vs yesterdayEMAIL DRIFT100 domains switched email providertop destination google.com · +92 vs yesterdayCERT DRIFT173 domains switched issuing CA24h · +150 vs yesterdayNOW1,670 curated domains not answering-1,040 vs yesterdayERRORS20,791 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED93,106 throttled or blocked our scanner429 rate-limit / 403 bot-block

grinnell.edu

Observed Jul 21, 2026, 19:41 UTC (19h 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
Runs onGrinnell College
Email byProofpoint
Secured byInternet2
Also usesFacebook/MetaDocuSignGoogle Search ConsoleZoom
push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat grinnell.edu actually stands on - every host below is a signed observation
grinnell.edu
A / AAAA
132.161.157.120
Grinnell Collegeserves the site
NS
ns3.grinnell.eduns1.netins.net
grinnell.edu + netins.netanswers its DNS
MX
mxa-001c8a01.gslb.pphosted.commxb-001c8a01.gslb.pphosted.com
Proofpointreceives its email
TLS
grinnell.edu
Internet2issued its certificate

DNS Records

A 1

  • 132.161.157.120

MX 2

  • 10mxa-001c8a01.gslb.pphosted.com
  • 10mxb-001c8a01.gslb.pphosted.com

TXT 22

  • xx9wg0wwvj5bs2t764jqh7kw590pflwd
  • adobe-idp-site-verification=9ee0a16d32655fecb5241f1dbefe817b4c26d5e4c6ea9473569dab730bfdbb68
  • 00D6g000000D5IV=1TBNu0000000CE5
  • 69K2BV9d38UJ9RtgXyVpdazrW4RvwFgea+Zm4eHVoh6p85d88d/g7jjdgVqDAOag6tI5ec6EAFtmMnURLW/B6g==
  • 8FC631DEA3A5A357B2D0A19F22144909
  • facebook-domain-verification=0gv73hgnuopw76zo2sb04v87n8qgd6
  • 92754436EF0FAF37C4B260E8B2D52EB5289AFAE3
  • apple-domain-verification=y4Irun78dKl8OPUz
  • 7v8358rvpg337c1ps55qprfh9xg6hz7z
  • docusign=fca67405-e72a-429e-863e-b8510fdef99e

NS 2

  • ns3.grinnell.edu
  • ns1.netins.net

SOA 1

  • ns3.grinnell.edu noc.grinnell.edu

SRV 5

  • expy-e.grinnell.edu:5060 p10
  • expy-e.grinnell.edu:5061 p10
  • conference-3-StandAloneClusterab47b.grinnell.edu:5269 p10
  • conference-2-StandAloneClusterab47b.grinnell.edu:5269 p10
  • expy-e.grinnell.edu:5269 p10

TLS Certificates (3)

Common NameIssuerExpires
grinnell.edu C=US, O=Internet2, CN=InCommon RSA Server CA 2 Wed, 07 Oct 2026 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 (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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for grinnell.edu. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for grinnell.edu <a href="https://domaindrift.io/t/grinnell.edu"> <img src="https://domaindrift.io/badge/grinnell.edu.svg" width="300" height="64" alt="DomainDrift signed observations for grinnell.edu"> </a>

Ed25519 Receipt

Receipt ID
rcpt_0c927ae801b63147
Output Hash
c8a20e918edac0053881178d885f86f65cef623580c34a3c6d8c16db7e73e3c8
Signature
ed25519:d53ba2b90020590981d293cb7a71bd38cdac4a2545d283fe84c49321098c4ada59daf67773bf660e1894d3a69cc6aedba90026f2f70ed70160542b6f47e9cb0b
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
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