sfstandard.com

Observed 2026-07-18T13:40:25.303334381+00:00 (5h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

Registered withNameCheap, Inc.

Also uses1PasswordFacebook/MetaGoogle Search ConsoleSlack

IPv6 · tranco_40k

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

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

sfstandard.com

A / AAAA

104.21.0.237172.67.128.1012606:4700:3033::ac43:80652606:4700:3033::6815:ed

Cloudflareserves the site

mallory.ns.cloudflare.comyevgen.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

sfstandard.com

Google Trust Servicesissued its certificate

DNS Records

A 2

104.21.0.237
172.67.128.101

AAAA 2

2606:4700:3033::ac43:8065
2606:4700:3033::6815:ed

MX 5

1aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 20

1password-site-verification=SOYKTYJWEJBMNOJPQXYKXQ7KDA
87C502C096
MS=ms43885079
ahrefs-site-verification_1c1d0eec23ee40d6b3e59dff8b33a7a913b110bc4c6c385ff38aaf5b8fe31cc7
facebook-domain-verification=abuf0xngyzhww7zmaef6xe1atzvx53
google-site-verification=1xVm4uNV23SgRVvgt4bwS-A7pGcIve2Rwo26KL0T3jA
google-site-verification=9D2VzJi-QCek9CtqC2XV8G4VYkTiiDYYTmkM5152ad8
google-site-verification=LVwhpXLCryK-Yy4OCYDSDeeip1XDlvEyQawgWsnTIj4
google-site-verification=LuXO9JGZVtuH30IPKrzUwunvwrKW5AknV_6jb5hAJTs
google-site-verification=Pxn4qRIMXM3NXWJJXMKa6_EDUEXUJ45KnYlamLRcmCc

NS 2

mallory.ns.cloudflare.com
yevgen.ns.cloudflare.com

SOA 1

mallory.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`sfstandard.com`	C=US, O=Google Trust Services, CN=WE1	Fri, 28 Aug 2026 03:44:08 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 sfstandard.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 93b39ec8-4f4d-4760-9ba7-6f6f0cf3c0ab
Output Hash: c401cf045063a4f10d529fec158d72881d9ee40884b5386282a777ee5f880834
Signature: ed25519:f249020733fb82c7c59c8c35cce192da29679a3a0a9e68d118b2964be23e60114a2563f06a254bf81dca540f9320ede27a29f0b3af59febf001d604f8c2a1b04
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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