f6.security

Observed Jul 22, 2026, 00:17 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Guarded by a firewall

Secured byLet's Encrypt

Also usesGoogle Search Console

tranco_20k

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

INFRASTRUCTURE MAPwhat f6.security actually stands on - every host below is a signed observation

f6.security

A / AAAA

84.38.189.5984.38.188.134

unattributedserves the site

c.ns.selectel.rub.ns.selectel.rua.ns.selectel.rud.ns.selectel.ru

selectel.ruanswers its DNS

mx1.facct.emailmx2.facct.email

facct.emailreceives its email

TLS

f6.security

Let's Encryptissued its certificate

DNS Records

A 2

84.38.189.59
84.38.188.134

MX 2

10mx1.facct.email
10mx2.facct.email

TXT 5

_globalsign-domain-verification=2tmVMgVGSTAfPHelv3Jkf5p-blx5-1OZjkjerbGtT_
google-site-verification=F-a-1SYOEmnGMDm6IzpvjZm3ySTpJWPJz-frC7xViOQ
v=spf1 include:_mailers.f6.security -all
v=DMARC1; p=reject; sp=quarantine; rua=mailto:dmarc_rua@f6.ru; ruf=mailto:dmarc_ruf@f6.ru; fo=1; adkim=r; aspf=r;
v=BIMI1;l=https://cdn.f6.ru/F6_logo.svg;a=

NS 4

c.ns.selectel.ru
b.ns.selectel.ru
a.ns.selectel.ru
d.ns.selectel.ru

SOA 1

a.ns.selectel.ru support.selectel.ru

TLS Certificates (2)

Common Name	Issuer	Expires
`f6.security`	C=US, O=Let's Encrypt, CN=R12	Sat, 22 Aug 2026 02:57:22 +0000
`R12`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (0)

None observed.

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 f6.security. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/f6.security">
  <img src="https://domaindrift.io/badge/f6.security.svg"
       width="300" height="64" alt="DomainDrift signed observations for f6.security">
</a>

Ed25519 Receipt

Receipt ID: rcpt_9d0f4829438f9c58
Output Hash: 44a71ac46c367174deabb6e8ca20436f30f00d258f46fdc65d0a010cd5b3fa04
Signature: ed25519:e89111974c4354c51fb046d9452fd99dfd1927e32fb72cdf9e1197aa19b9ca18916f6718f4ba7cae96259d716df4e9538ee600bf463cb8058a493d016be7800f
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/f6.security