computerhistory.org
Observed 2026-07-12T01:55:20.124Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Registered withCloudflare, Inc.
Also usesDocuSignGoogle Search ConsoleFacebook/MetaSlack
IPv6 · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat computerhistory.org actually stands on - every host below is a signed observation
computerhistory.org
A / AAAA
172.67.178.154104.21.17.2202606:4700:3035::ac43:b29a2606:4700:3030::6815:11dc
Cloudflareserves the site
NS
mia.ns.cloudflare.comrandy.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
computerhistory-org.mail.protection.outlook.com
Microsoft 365receives its email
HTTPS probe
ok
Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time1081 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 2
172.67.178.154104.21.17.220
AAAA 2
2606:4700:3035::ac43:b29a2606:4700:3030::6815:11dc
MX 1
0computerhistory-org.mail.protection.outlook.com
TXT 18
docusign=5c1c9cad-846f-41c0-9049-a0cbe3169cfbMS=498D467512A4DA933158597F4042806719B8E25Brm_verify=b4106fa28eapple-domain-verification=zj49fL4xByFmwuNNgJPngtlEoee5tmwh7SsQYLjyX5sIac7gbdszvgbHPluMG1oiUo8PIlF0NqxwNAHCjePqMKlQQgd2pg++4MOX+g==google-site-verification=p5tnnWmagFi2txnFJKyqJhSWZaKddUMCc6sKK-zCX5Mv=spf1 include:spf.protection.outlook.com include:_spf-internal.computerhistory.org include:_spf.salesforce.com include:spf.ticketure.com -all_globalsign-domain-verification=w4J1QxPn3aNctgVGzY51pbeSFxpzwNCjLN4HV-i699lgpoa4pn3skmfbm0f4amo8frucopenai-domain-verification=dv-LxzDCWHjzW2cxVrmyRlJZ4So
NS 2
mia.ns.cloudflare.comrandy.ns.cloudflare.com
SOA 1
mia.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (15)
- api.computerhistory.org
- auth.computerhistory.org
- blog.computerhistory.org
- connect.computerhistory.org
- db.computerhistory.org
- dev.computerhistory.org
- gateway.computerhistory.org
- images.computerhistory.org
- login.computerhistory.org
- shop.computerhistory.org
- sso.computerhistory.org
- status.computerhistory.org
- support.computerhistory.org
- test.computerhistory.org
- www.computerhistory.org
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
5fb1e0bf-45ea-4fe0-b40d-219857e94715- Output Hash
c6c8735465bed4b775d7ed8afb4d2752517c8428ef6f1b3905fa9c6c40c5ac0b- Signature
ed25519:387d25887233acdef4b0fbdc2da593dcc15e1bfe2a12842d5ffb7360d267580cbf2b5cdbc53d028113666c9a847d3b162db6e275e5861a4793e5e6a07aaa710c- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast