atto.com

Observed Jul 25, 2026, 20:19 UTC (2d 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 byAmazon SES

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · tranco

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

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

atto.com

A / AAAA

129.121.79.115

unattributedserves the site

ns23.cloudns.netns24.cloudns.netns21.cloudns.netns22.cloudns.net

cloudns.netanswers its DNS

mx-02-us-west-2.prod.hydra.sophos.commx-01-us-west-2.prod.hydra.sophos.com

Amazon SESreceives its email

TLS

www.attotech.com

Let's Encryptissued its certificate

DNS Records

A 1

129.121.79.115

MX 2

20mx-02-us-west-2.prod.hydra.sophos.com
10mx-01-us-west-2.prod.hydra.sophos.com

TXT 8

gt37dm395b0q0d7tbui13b0k7u
google-site-verification=6UNGHnbVbnQKqAoU27k_-nH6feR5FKkggNys-J7nmuQ
v=spf1 mx a ip4:208.69.85.34/32 a:host.atto.com a:noteserv1.atto.com include:amazonses.com include:sendgrid.net ?all
brevo-code:fffa513c9dba10f881319d641eab2304
MS=ms70829168
sophos-domain-verification=293c9942eebfc1d3c3276b1b52020a8cfc59b80a
google-site-verification=jKMwrXgsfuntHO13OefkWG-KZ6z8U4HRiFO21v8E5v0
v=DMARC1; p=quarantine; rua=mailto:7ba69fe6@mxtoolbox.dmarc-report.com; ruf=mailto:7ba69fe6@forensics.dmarc-report.com; fo=1

NS 4

ns23.cloudns.net
ns24.cloudns.net
ns21.cloudns.net
ns22.cloudns.net

SOA 1

ns21.cloudns.net support.cloudns.net

TLS Certificates (3)

Common Name	Issuer	Expires
`www.attotech.com`	C=US, O=Let's Encrypt, CN=YR2	Wed, 09 Sep 2026 16:34:59 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.atto.com

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

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

Ed25519 Receipt

Receipt ID: rcpt_e19105dd8745acf4
Output Hash: c295816e3c7dc43341a705efa84d9158c4c65935a4840380c04d7210bbafedcf
Signature: ed25519:49a60dbeff72f6cc2a6987cec0d4de123abbf227fcfb9a3d724c6b3bc4b09249ace32033746f1f240d11adb90d7e8eb75ec4085e855635d96a8157d19aa67d09
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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