firefox.com

Observed 2026-07-15T09:26:03.318Z (23h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byAmazon SES

Registered withMarkMonitor Inc.

Also usesFacebook/MetaGoogle Search Console

IPv6 · 4 subdomains · push_legacy

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat firefox.com actually stands on - every host below is a signed observation

firefox.com

A / AAAA

35.190.14.2012600:1901:0:c197::

Cloudflareserves the site

ns4-64.akam.netns5-65.akam.netns7-66.akam.netns1-240.akam.net

akam.netanswers its DNS

smtp1.mdc1.mozilla.com

Amazon SESreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.firefox.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time122 ms

DNS resolutionNOERROR

Redirect chain

https://www.firefox.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

35.190.14.201

AAAA 1

2600:1901:0:c197::

MX 1

10smtp1.mdc1.mozilla.com

TXT 8

v=spf1 mx a include:amazonses.com include:mail.zendesk.com include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all
_vrrc3v9222jxd6yhvt728lc4om6z0ff
3mjnbdj3h9wpslgz0gfly0pbr94wd12y
google-gws-recovery-domain-verification=70476672
kr1887r7cjn94rzlgp1bpnj8v94wd3mg
facebook-domain-verification=wcer1w80xkwrzqftwc3shhkel9ys8m
google-site-verification=ZqFMUZ8Gzf13U_nchwvBgRE_sRAxAR5xLz-X5w4BU4s
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:dmarc_agg@vali.email,mailto:accounts@firefox.com; ruf=mailto:accounts@firefox.com

NS 4

ns4-64.akam.net
ns5-65.akam.net
ns7-66.akam.net
ns1-240.akam.net

SOA 1

ns5-65.akam.net sysadmins.mozilla.org

CAA 7

issue amazonaws.com
issue amazon.com
issue awstrust.com
issue amazontrust.com
iodef mailto:foxsec+caaiodef@mozilla.com
issue letsencrypt.org
issue digicert.com

TLS Certificates (0)

None.

Subdomains (4)

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 firefox.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 6c43a71b-29e6-4a49-9402-c80db0d22107
Output Hash: 0e71b23bb1bb93506357cf81b2d8b9ec43b2e9dd03dfe1841109bb0da527d323
Signature: ed25519:123ceadf9082e4b34fb3dcca5993ada33ae957d2f342d39cb242adbfb35587ed39aa5c5f23323b756b23ff64d22c952d2a168f4888bd1ea8b186f700f862de05
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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