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.com5mx1.hc2706-39.iphmx.com
TXT 44
anthropic-domain-verification-naf36v=CEFZVHy1jQpWLrBBoNOxVc9F5amazonses:2YQZEyFhbb+XTfTQXV7NoBA07XHUUExz73D1KJlPap8=openai-domain-verification=dv-jqEdCiOFLvqVPwoC3PcpCjU3google-site-verification=xmeyfQgB5dDMamBVUQr_BuUpNpqimItoXEKJ7aikqWIapple-domain-verification=xbZoF0D4CQePMvfjC164A899D8D6114A08B1E87BAE9AD036adobe-idp-site-verification=a71f2fe0-25c1-46cd-9d0f-c83d769cc464BGELPNBsDxzCVsd892zu7uzc6/RS4XTHMBwfAzUDOuTGxWQ1ggk8vjNNHdbJuKLAUnYjS2GGqYKKvJCWrhWi5Q==asv=a2db9061fe2c0d8996ebab42acf37c2bd365mktkey=7qsGu1xt2piBD6R1Tywzn8SVLsatn3NuB9MR5WReZ0ox
NS 3
edns01.bu.eduedns02.bu.eduedns03.bu.edu
SOA 1
ist-dns-prod10.bu.edu hostmaster.bu.edu
SRV 5
ist-expe02.bu.edu:5060 p0ist-expe03.bu.edu:5060 p0ist-expe03.bu.edu:5061 p0ist-expe02.bu.edu:5061 p0ist-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 Name | Issuer | Expires |
|---|---|---|
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 receiptEd25519 Receipt
- Receipt ID
rcpt_a63ad4811c79caf3- Output Hash
ca3132bea2d331cf2b0489d77e932f40751369093635991b54366d2571340c6b- Signature
ed25519:d2916e3e09c8133b41d9b828c89ac75f22b82f98327dda76fcc4d9e58f19fe5419e9033dfc9207c296ac53988c8d39ba737d1212f2d0da8e93b0989e4f11d40d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast