hbs.edu
Observed 2026-07-12T21:22:36.871Z (11h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Also usesGoogle Search ConsoleAtlassianFacebook/MetaMiro
12 subdomains · tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat hbs.edu actually stands on - every host below is a signed observation
hbs.edu
A / AAAA
128.103.124.107
Cloudflareserves the site
NS
ns2-38.azure-dns.netns4-38.azure-dns.infons1-38.azure-dns.comns3-38.azure-dns.org
azure-dns.net + azure-dns.info + moreanswers its DNS
MX
hbs-edu.mail.protection.outlook.com
Microsoft 365receives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.hbs.edu/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time685 ms
DNS resolutionNOERROR
Redirect chain
https://www.hbs.edu/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
128.103.124.107
MX 1
0hbs-edu.mail.protection.outlook.com
TXT 23
tmes=a18926e3a06d3b62227000f92b63ac3cv=spf1 ip4:199.94.19.0/24 ip4:199.94.20.0/24 ip4:128.103.0.0/16 ip4:198.245.85.88 ip4:3.236.169.128/27 ip4:3.236.67.96/27 include:spf.protection.outlook.com include:spf2.hbs.edu ~allsmartsheet-site-validation=4Yoy3WT6fIqQIdHLNxq4w8Jm6tUXDFJKcisco-ci-domain-verification=5eefa9e06279e8347d5a3890fee2647546c934d381d2fad041bafdc86db6dd0egoogle-site-verification=c-eaSAavhfMv5ChJyT8tZbpoz8KQY4W7qzjzh5yFJ70manus-domain-verification-797tq1=rS9Dfb1DQkRfVyzzaSTVdff9eatlassian-domain-verification=MrrVn0jd3Vovf0f63CeGlmxWGmnkIJjDchwflNLdm4sg8wlRIAffoeJWA8P9w/6P2nlfqmqvhklzfhzt9k3rtsfp2wt7k6pratlassian-domain-verification=QVOqqD/jaSFcxusq6e05h36VGz8CZyBa4RworUk0MhCx0v3BuKYN9CI8MWygOIDNworkspace_mjbxg35dfz3ut3ferqm
NS 4
ns2-38.azure-dns.netns4-38.azure-dns.infons1-38.azure-dns.comns3-38.azure-dns.org
SOA 1
ns1-38.azure-dns.com azuredns-hostmaster.microsoft.com
TLS Certificates (0)
None.
Subdomains (12)
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
dac214b6-1021-4d28-9605-6f36319d47ef- Output Hash
d0374c6409cd424ccc3ebbb3d4b464743dc6cf74cda8089f66a8833f175d58a1- Signature
ed25519:f310503044e66a575ad60d4a2f491fbfe0e124a53d9d6db32cc394b9c67ed90924916969db23725e474d6b895211ebc1b364c5dab6c031b9d1ac7fbbf79e1b0f- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast