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004.github.com

Public data as of 2026-10-31 16:35 UTC.

Get alerted the moment 004.github.com goes down · uptime from 6 regions, SSL expiry and DNS changes. Free.Monitor everythingJust uptime

Their setup

HostingCloudflare

Detected from public DNS (MX, SPF, nameservers, verification records), IP ownership and response headers.

WebsiteError 530530 in 89 ms
DomainRegistered
Hosting—
Security headersGrade D2 of 6 present
Email protectionUnprotectedSPF ✗ · DMARC ✗
Subdomains0seen in certificate logs

What we found

  • ✗
    Website returns an error (530)Visitors are seeing a server error right now.
  • !
    No HSTS headerBrowsers can be tricked into loading the site over unencrypted HTTP.
  • !
    No Content-Security-PolicyGives no extra protection if malicious scripts get injected (XSS).
  • !
    No SPF recordAnyone can send email that claims to be from this domain.
  • !
    No DMARC recordReceivers have no policy for rejecting spoofed email from this domain.
  • i
    No mail servers (MX)This domain doesn’t receive email.

Is it down for everyone?

Runs a live request to https://004.github.com/ from US West, US East, Western Europe, Eastern Europe, Asia Pacific and Oceania.
Registrationvia WHOIS
Raw WHOIS response
No match for "004.GITHUB.COM".
>>> Last update of whois database: 2026-10-31T16:34:59Z <<<

NOTICE: The expiration date displayed in this record is the date the
registrar's sponsorship of the domain name registration in the registry is
currently set to expire. This date does not necessarily reflect the expiration
date of the domain name registrant's agreement with the sponsoring
registrar.  Users may consult the sponsoring registrar's Whois database to
view the registrar's reported date of expiration for this registration.

TERMS OF USE: You are not authorized to access or query our Whois
database through the use of electronic processes that are high-volume and
automated except as reasonably necessary to register domain names or
modify existing registrations; the Data in VeriSign Global Registry
Services' ("VeriSign") Whois database is provided by VeriSign for
information purposes only, and to assist persons in obtaining information
about or related to a domain name registration record. VeriSign does not
guarantee its accuracy. By submitting a Whois query, you agree to abide
by the following terms of use: You agree that you may use this Data only
for lawful purposes and that under no circumstances will you use this Data
to: (1) allow, enable, or otherwise support the transmission of mass
unsolicited, commercial advertising or solicitations via e-mail, telephone,
or facsimile; or (2) enable high volume, automated, electronic processes
that apply to VeriSign (or its computer systems). The compilation,
repackaging, dissemination or other use of this Data is expressly
prohibited without the prior written consent of VeriSign. You agree not to
use electronic processes that are automated and high-volume to access or
query the Whois database except as reasonably necessary to register
domain names or modify existing registrations. VeriSign reserves the right
to restrict your access to the Whois database in its sole discretion to ensure
operational stability.  VeriSign may restrict or terminate your access to the
Whois database for failure to abide by these terms of use. VeriSign
reserves the right to modify these terms at any time.

The Registry database contains ONLY .COM, .NET, .EDU domains and
Registrars.
Website & security headers530 · 89 ms
Final addresshttps://004.github.com/
Server & CDN
Server: cloudflare
CDN: Cloudflare
  • ✗strict-transport-security
  • ✗content-security-policy
  • ✗x-content-type-options
  • ✓x-frame-optionsSAMEORIGIN
  • ✓referrer-policysame-origin
  • ✗permissions-policy
Email security
Mail servers (MX)None — this domain doesn’t receive email
SPFMissing
DMARCMissing
MTA-STSNot set
DKIMNo common selectors found (may still use a custom one)
All DNS records
TypeValue
CAA0 issue "digicert.com+ Alert on change
CAA0 issue "letsencrypt.org+ Alert on change
CAA0 issue "sectigo.com+ Alert on change
CAA0 issuewild "digicert.com+ Alert on change
CAA0 issuewild "letsencrypt.org+ Alert on change
CAA0 issuewild "sectigo.com+ Alert on change
Subdomains (0)from certificate transparency logs

No certificates found for this domain.