coursehero.com
Observed 2026-07-12T16:42:10.159Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withGoDaddy.com, LLC
Also usesAtlassianMiroGoogle Search ConsoleZoomNotion
20 subdomains · education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat coursehero.com actually stands on - every host below is a signed observation
coursehero.com
A / AAAA
104.17.143.115104.17.142.115
Cloudflareserves the site
NS
ali.ns.cloudflare.combob.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt2.aspmx.l.google.comalt4.aspmx.l.google.comalt3.aspmx.l.google.com+3 more
Google Workspacereceives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.coursehero.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time189 ms
DNS resolutionNOERROR
Redirect chain
https://www.coursehero.com/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 2
104.17.143.115104.17.142.115
MX 7
1aspmx.l.google.com5alt2.aspmx.l.google.com10alt4.aspmx.l.google.com10alt3.aspmx.l.google.com5alt1.aspmx.l.google.com10aspmx3.googlemail.com10aspmx2.googlemail.com
TXT 24
globalsign-domain-verification=9AC94274374646C0309FBF52D4C347E5globalsign-domain-verification=6f8ab1bf5972d1fec2bed8c50fc8f17fglobalsign-domain-verification=2eaa5b27a77c2daddf7a4de4d1d0b631atlassian-domain-verification=HuZkEy3RvMSIX6gZ/iF9B/EYH1awgocgR2HXxCaOZLQhFSSaizLaV68WLJ67OdV55652918DDFglobalsign-domain-verification=6I41XwGS3W3RH3qcFMFl4OEqtMzo9xTMeWN8-mrBaxhzlh1s4kn3zrz66vng5sdxkc1fc5088mmiro-verification=cd41ffb512f978da767f4d40547aad9ce48ac4e2adobe-idp-site-verification=8b9b597326c953485203409a584c256ae5300d4628d2c614db42c35dbfc4d827cursor-domain-verification-mqkys8=xlPNXlbiVQnaxZlmsW9WuEsaz
NS 2
ali.ns.cloudflare.combob.ns.cloudflare.com
SOA 1
ali.ns.cloudflare.com dns.cloudflare.com
CAA 16
issue pki.goog; cansignhttpexchanges=yesissue digicert.com; cansignhttpexchanges=yesissuewild digicert.com; cansignhttpexchanges=yesissue globalsign.comissue comodoca.comissuewild letsencrypt.orgissue amazontrust.comissue godaddy.comissue ssl.comissuewild comodoca.com
TLS Certificates (0)
None.
Subdomains (10)
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
8cae49f9-b4f3-424f-92f7-57f4e8b132fd- Output Hash
00ae7bd8ecd24582198c9c99b588e9e9e7869a2aefa0139b42e84ead45aa76f9- Signature
ed25519:b8e9ad75380a6210193dde9ba7c09436b98bf2094693407ba0aaf8e6befbab2f2bede7023c8dafe311ca0843a040b870f0aec5d6e7b9c4e49d438887f7c88005- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast