CONTINUOUS INTERNET TELEMETRY24H DRIFT68,088 material changesacross 64,935 domains · 24h to ~2h ago · +33,471 vs yesterdayROTATION56 domains moved DNS from magpiedns.com to koaladns.com, 56 moved backa rotation loop, not a migration · 24hNOW538 curated domains not reachablelast probe, steadySITE ERRORS33,857 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 123,111 sites429 rate-limit / 403 bot-block, a posture signal

chicagobooth.edu

Observed Jul 24, 2026, 18:55 UTC (12d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of chicagobooth.edu was taken 12d ago

chicagobooth.edu is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting chicagobooth.edu under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch chicagobooth.edu Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Verify this receipt yourself + Watch this domain
Up right now
Runs onThe University of Chicago
Email byMicrosoft 365
Secured byInternet2
Also usesAtlassian1PasswordZoomFacebook/MetaGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat chicagobooth.edu actually stands on - every host below is a signed observation
chicagobooth.edu
A / AAAA
128.135.211.104
The University of Chicagoserves the site
NS
bushdns02.chicagobooth.edubushdns01.chicagobooth.edu
chicagobooth.eduanswers its DNS
MX
chicagobooth-edu.mail.protection.outlook.com
Microsoft 365receives its email
TLS
chicagobooth.edu
Internet2issued its certificate

DNS Records

A 1

  • 128.135.211.104

MX 1

  • 0chicagobooth-edu.mail.protection.outlook.com

TXT 17

  • spf2.0/pra ip4:128.135.211.0/24 ip4:128.135.10.0/24 ip4:64.58.225.88 ip4:216.252.95.152 ip4:72.9.129.34 include:_spf.google.com include:mktomail.com -all
  • google-site-verification=3CeDA31iKLBdPOQ5ZrsET6NiRKb3RB3B5GyaI_vSmz0
  • dropbox-domain-verification=wdy3c506x778
  • GTX5IeSoeytn0RA001USLvaNn8EGw9edYCD5UrbOVgLHIgWZ0jFlQL1ZFObQc3CinW6S+K80sia0YjiJt0WRZw==
  • facebook-domain-verification=ez52ot5d47h7k4b7zghx6kfdpew0j0
  • v=spf1 ip4:62.13.152.5 ip4:176.31.145.254 ip4:156.70.3.153 ip4:128.135.211.0/24 ip4:128.135.10.0/24 include:spf.protection.outlook.com include:_spf.google.com include:mktomail.com include:sendgrid.net include:_spf.qualtrics.com -all
  • MS=ms55211723
  • 1password-site-verification=PUYSKZDLYVADZEBUTJ3BZFY5HE
  • ms-domain-verification=fc33b08a-58ce-4ab9-9e84-96a170b125c2
  • smartsheet-site-validation=V4KPoKK2zTS467X2RmtlxmBP_DK5ZFa1

NS 2

  • bushdns02.chicagobooth.edu
  • bushdns01.chicagobooth.edu

SOA 1

  • bushdns01.chicagobooth.edu helpdesk.chicagobooth.edu

TLS Certificates (4)

Common NameIssuerExpires
chicagobooth.edu C=US, O=Internet2, CN=InCommon RSA Server CA 2 Sun, 11 Apr 2027 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
AAA Certificate Services 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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_5b7419c70c41e5e5
Output Hash
020a6b726e0f0df688dca730999cc7534e16e029a55b19064c8185ce78ec4803
Signature
ed25519:85a1706732031062b4d97901c502cd8dc06f0a94bcfddc77b3d0db06e3345366149fe2bbedc238c97ab59a7ae9d3aece2f23562a49abe538233ec8c0d595d007
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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