firefox.com
Observed 2026-07-18T00:34:39.951Z (10h 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 usesGoogle Search ConsoleFacebook/Meta
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
NS
ns4-64.akam.netns5-65.akam.netns7-66.akam.netns1-240.akam.net
akam.netanswers its DNS
MX
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 time250 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
kr1887r7cjn94rzlgp1bpnj8v94wd3mg_vrrc3v9222jxd6yhvt728lc4om6z0ffgoogle-site-verification=ZqFMUZ8Gzf13U_nchwvBgRE_sRAxAR5xLz-X5w4BU4sv=spf1 mx a include:amazonses.com include:mail.zendesk.com include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -allfacebook-domain-verification=wcer1w80xkwrzqftwc3shhkel9ys8mgoogle-gws-recovery-domain-verification=704766723mjnbdj3h9wpslgz0gfly0pbr94wd12yv=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.netns5-65.akam.netns7-66.akam.netns1-240.akam.net
SOA 1
ns5-65.akam.net sysadmins.mozilla.org
CAA 7
iodef mailto:foxsec+caaiodef@mozilla.comissue amazonaws.comissue digicert.comissue amazontrust.comissue awstrust.comissue letsencrypt.orgissue amazon.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 receiptEd25519 Receipt
- Receipt ID
d548d862-1a26-4370-a0ef-75eee841604f- Output Hash
75868579b6d46cdae4867f9d58fb3fdadba4d96e3c734ad901554efe99dcda3b- Signature
ed25519:546aae3d968ad3dadaf7e1fc3cd8cc81e889814ad8040903567e269744e80273ef4804e455610047957c1ff95f1aab62d19d14da5af29d088c62ac2404c1ba05- Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff- Parent
(genesis)- Plane
- fast