userbrain.com

Observed Jul 25, 2026, 08:19 UTC (8d 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

Up right now

Email byMailchimp

Secured bySectigo

Also usesGoogle Search ConsoleStripe

tranco

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

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

userbrain.com

A / AAAA

164.90.242.16

unattributedserves the site

ns2.digitalocean.comns3.digitalocean.comns1.digitalocean.com

digitalocean.comanswers its DNS

mail.userbrain.com

Mailchimpreceives its email

TLS

*.userbrain.com

Sectigo Limitedissued its certificate

DNS Records

A 1

164.90.242.16

MX 1

10mail.userbrain.com

TXT 8

v=spf1 a mx ip4:167.89.95.40 ip4:144.76.20.99 include:servers.mcsv.net -all
google-site-verification=NwEsTy-PbiFndtkU1Z2jPUqPckarp-b-w-dX7VyJ2eM
google-site-verification=FHOgiS5xbIkzQiSXXK564l8ILkCOMlKTg8V0WKYcAfk
stripe-verification=8f146b1b8da5d25060cd4d4a3100cb30f21489b7b11b125195139b2228f15338
google-site-verification=iDEB2v7q725mTaWr_LiJ3L9_THkLC50acPfoiXsUMtw
anthropic-domain-verification-gmgce3=P0Xdo9qPDoJVoFZH4r3asSxUO
v=MCPv1; k=ed25519; p=agxQ1ujW0ud8+JxxS6dmgssZ/PX702Ge3Yd8o9fBL/M=
v=DMARC1; p=quarantine; rua=mailto:t8gt0liv5r@rua.powerdmarc.com; ruf=mailto:t8gt0liv5r@ruf.powerdmarc.com; pct=100; fo=0;

NS 3

ns2.digitalocean.com
ns3.digitalocean.com
ns1.digitalocean.com

SOA 1

ns1.digitalocean.com hostmaster.userbrain.com

CAA 5

issue "letsencrypt.org"
issue "amazonaws.com"
issue "sectigo.com"
issuewild "sectigo.com"
issue "digicert.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`*.userbrain.com`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36	Wed, 30 Dec 2026 23:59:59 +0000
`Sectigo Public Server Authentication CA OV R36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Fri, 21 Mar 2036 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 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 userbrain.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_cf67c7c62215a718
Output Hash: c8c2c3e667ae5ee66b0c9ef41ebb4c3c9088bf5bba2a7574e75815387031306c
Signature: ed25519:9d7d31938294d6c0a66227765f8046593fd0c2bbcee2a8ce1dda68b708ea85d2c6a0338fd6187032ab0a4173b7d7f75e56a702dd36b5561870fb4cb521059f0e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/userbrain.com