CONTINUOUS INTERNET TELEMETRY24H DRIFT3,592 material changesacross 3,115 domains · +194 vs yesterdayDNS DRIFT27 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT6 domains switched email providertop destination sendgw.comCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW9,710 curated domains not answeringlast probe, steady24H DRIFT3,592 material changesacross 3,115 domains · +194 vs yesterdayDNS DRIFT27 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT6 domains switched email providertop destination sendgw.comCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW9,710 curated domains not answeringlast probe, steady

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

  • 172.67.178.154
  • 104.21.17.220

AAAA 2

  • 2606:4700:3035::ac43:b29a
  • 2606:4700:3030::6815:11dc

MX 1

  • 0computerhistory-org.mail.protection.outlook.com

TXT 18

  • docusign=5c1c9cad-846f-41c0-9049-a0cbe3169cfb
  • MS=498D467512A4DA933158597F4042806719B8E25B
  • rm_verify=b4106fa28e
  • apple-domain-verification=zj49fL4xByFmwuNN
  • gJPngtlEoee5tmwh7SsQYLjyX5sIac7gbdszvgbHPluMG1oiUo8PIlF0NqxwNAHCjePqMKlQQgd2pg++4MOX+g==
  • google-site-verification=p5tnnWmagFi2txnFJKyqJhSWZaKddUMCc6sKK-zCX5M
  • v=spf1 include:spf.protection.outlook.com include:_spf-internal.computerhistory.org include:_spf.salesforce.com include:spf.ticketure.com -all
  • _globalsign-domain-verification=w4J1QxPn3aNctgVGzY51pbeSFxpzwNCjLN4HV-i699
  • lgpoa4pn3skmfbm0f4amo8fruc
  • openai-domain-verification=dv-LxzDCWHjzW2cxVrmyRlJZ4So

NS 2

  • mia.ns.cloudflare.com
  • randy.ns.cloudflare.com

SOA 1

  • mia.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (15)

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 computerhistory.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
5fb1e0bf-45ea-4fe0-b40d-219857e94715
Output Hash
c6c8735465bed4b775d7ed8afb4d2752517c8428ef6f1b3905fa9c6c40c5ac0b
Signature
ed25519:387d25887233acdef4b0fbdc2da593dcc15e1bfe2a12842d5ffb7360d267580cbf2b5cdbc53d028113666c9a847d3b162db6e275e5861a4793e5e6a07aaa710c
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser