open-xchange.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
open-xchange.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-28 07:21:22 UTC ยท โ†บ Refresh

MX Hostnames

  • mx1.open-xchange.com
  • mx2.open-xchange.com

MX Priorities

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

A / AAAA Records

  • 199.60.103.141 (no PTR)
  • 199.60.103.41 (no PTR)

Mail Server IPs

  • 89.163.165.132 โ†ฉ mx2.open-xchange.com
  • 89.163.165.131 โ†ฉ mx1.open-xchange.com

SOA Record

Raw SOA dns1.easydns.com zone.easydns.com 1773406079 3600 600 604800 300
Primary NS (mname)
dns1.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
1773406079
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

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

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:89.163.165.128/26 include:9391640.spf05.hubspotemail.net ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • atlassian-domain-verification=gDGKpWyTNuF0TFOB3UhaysoVA75UK/M2wv1qMjyyAJonCaNNooBu5VbSDbIeHaPH
  • docusign=a7787422-ec1e-41cb-93eb-d3e75582e9c5
  • anthropic-domain-verification-tatky1=aNNrTIZa7oWBKGsfA86IAy7py
  • google-site-verification=-_NgVYNXOlgrvNK_F4okrh791EM1cJL8AtCPvTwjnwM
  • mistral-domain-verification=1d45773d7a726d10b4418069ba5ecee66eac01db
  • SPFv=spf1 ip4:89.163.165.128/26 include:9391640.spf05.hubspotemail.net ~all
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for open-xchange.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits