CONTINUOUS INTERNET TELEMETRY24H DRIFT4,728 material changesacross 4,285 domains · last 24h · -5,687 vs yesterdayDNS DRIFT272 domains changed DNS providertop destination cloudflare.com · -387 vs yesterdayEMAIL DRIFT58 domains switched email providertop destination google.com · -109 vs yesterdayCERT DRIFT87 domains switched issuing CA24h · -132 vs yesterdayNOW499 curated domains not reachable-204 vs yesterdaySITE ERRORS17,270 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 96,579 sites429 rate-limit / 403 bot-block, a posture signal

bu.edu

Observed Jul 24, 2026, 02:42 UTC (11h 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 onBoston University
Secured bySectigo
Also usesGoogle Search ConsoleMiroAtlassianZoom
1 subdomain · education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat bu.edu actually stands on - every host below is a signed observation
bu.edu
A / AAAA
128.197.236.4
Boston Universityserves the site
NS
edns01.bu.eduedns02.bu.eduedns03.bu.edu
bu.eduanswers its DNS
MX
mx2.hc2706-39.iphmx.commx1.hc2706-39.iphmx.com
iphmx.comreceives its email
TLS
www.bu.edu
Sectigo Limitedissued its certificate

DNS Records

A 1

  • 128.197.236.4

MX 2

  • 5mx2.hc2706-39.iphmx.com
  • 5mx1.hc2706-39.iphmx.com

TXT 44

  • anthropic-domain-verification-naf36v=CEFZVHy1jQpWLrBBoNOxVc9F5
  • amazonses:2YQZEyFhbb+XTfTQXV7NoBA07XHUUExz73D1KJlPap8=
  • openai-domain-verification=dv-jqEdCiOFLvqVPwoC3PcpCjU3
  • google-site-verification=xmeyfQgB5dDMamBVUQr_BuUpNpqimItoXEKJ7aikqWI
  • apple-domain-verification=xbZoF0D4CQePMvfj
  • C164A899D8D6114A08B1E87BAE9AD036
  • adobe-idp-site-verification=a71f2fe0-25c1-46cd-9d0f-c83d769cc464
  • BGELPNBsDxzCVsd892zu7uzc6/RS4XTHMBwfAzUDOuTGxWQ1ggk8vjNNHdbJuKLAUnYjS2GGqYKKvJCWrhWi5Q==
  • asv=a2db9061fe2c0d8996ebab42acf37c2b
  • d365mktkey=7qsGu1xt2piBD6R1Tywzn8SVLsatn3NuB9MR5WReZ0ox

NS 3

  • edns01.bu.edu
  • edns02.bu.edu
  • edns03.bu.edu

SOA 1

  • ist-dns-prod10.bu.edu hostmaster.bu.edu

SRV 5

  • ist-expe02.bu.edu:5060 p0
  • ist-expe03.bu.edu:5060 p0
  • ist-expe03.bu.edu:5061 p0
  • ist-expe02.bu.edu:5061 p0
  • ist-expe01.bu.edu:5061 p0

CAA 8

  • issuewild "amazon.com"
  • issue "amazon.com"
  • issue "digicert.com"
  • issue "sectigo.com"
  • issuewild "sectigo.com"
  • issue "letsencrypt.org"
  • issue "emsign.com"
  • issuewild "digicert.com"

TLS Certificates (4)

Common NameIssuerExpires
www.bu.edu C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA EV R36 Wed, 17 Feb 2027 23:59:59 +0000
Sectigo Public Server Authentication CA EV R36 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 Fri, 21 Mar 2036 23:59:59 +0000
Sectigo Public Server Authentication Root R46 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000
USERTrust RSA Certification Authority C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (1)

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 bu.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_a63ad4811c79caf3
Output Hash
ca3132bea2d331cf2b0489d77e932f40751369093635991b54366d2571340c6b
Signature
ed25519:d2916e3e09c8133b41d9b828c89ac75f22b82f98327dda76fcc4d9e58f19fe5419e9033dfc9207c296ac53988c8d39ba737d1212f2d0da8e93b0989e4f11d40d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser