open-xchange.com

Observed Jul 24, 2026, 19:34 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

Runs onCloudflare

Email byHubSpot

Secured byGoogle Trust Services

Also usesDocuSignGoogle Search ConsoleAtlassian

tranco_100k

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

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

open-xchange.com

A / AAAA

199.60.103.41199.60.103.141

Cloudflareserves the site

dns1.easydns.comdns2.easydns.netdns3.easydns.orgdns4.easydns.info

easydns.com + easydns.net + moreanswers its DNS

mx1.open-xchange.commx2.open-xchange.com

HubSpotreceives its email

TLS

968940ad.sni.cloudflaressl.com

Google Trust Servicesissued its certificate

DNS Records

A 2

199.60.103.41
199.60.103.141

MX 2

10mx1.open-xchange.com
20mx2.open-xchange.com

TXT 9

docusign=a7787422-ec1e-41cb-93eb-d3e75582e9c5
anthropic-domain-verification-tatky1=aNNrTIZa7oWBKGsfA86IAy7py
google-site-verification=-_NgVYNXOlgrvNK_F4okrh791EM1cJL8AtCPvTwjnwM
mistral-domain-verification=1d45773d7a726d10b4418069ba5ecee66eac01db
v=spf1 ip4:89.163.165.128/26 include:9391640.spf05.hubspotemail.net ~all
atlassian-sending-domain-verification=54b8e874-2abf-4f25-baa3-f83af40c3acc
atlassian-domain-verification=gDGKpWyTNuF0TFOB3UhaysoVA75UK/M2wv1qMjyyAJonCaNNooBu5VbSDbIeHaPH
v=DMARC1; p=reject; rua=mailto:dmarc-report@open-xchange.com;
v=BIMI1; l=https://ox.io/hubfs/BIMI%20logo%20and%20cert/ox_logo_BIMI.svg; a=https://ox.io/hubfs/BIMI%20logo%20and%20cert/;

NS 4

dns1.easydns.com
dns2.easydns.net
dns3.easydns.org
dns4.easydns.info

SOA 1

dns1.easydns.com zone.easydns.com

SRV 2

autoconfig.open-xchange.com:443 p19
imap.open-xchange.com:587 p10

TLS Certificates (3)

Common Name	Issuer	Expires
`968940ad.sni.cloudflaressl.com`	C=US, O=Google Trust Services, CN=WE1	Tue, 20 Oct 2026 08:31:59 +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 open-xchange.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_619d6103aa6292b4
Output Hash: 2de6b7237115b581dce5334a16e02a11d4292035fa7c07a501199d122f1eff11
Signature: ed25519:0b73b5c9e9d2b5a38f93cb1575b51c70f83d43034082da022287fc99f7f0f891680c5e40ace3b1e1a6cb745592b09766b40a3e78334948d84f58f1cb44a2720b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/open-xchange.com