open.mx

Valid Email Server
Domain Lookup › open.mx
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
open.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 06:08:48 UTC · ↺ Refresh

MX Hostnames

  • mx1.hc5578-61.iphmx.com
  • mx2.hc5578-61.iphmx.com

MX Priorities

No priority data.

A / AAAA Records

  • 35.215.72.38

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

pdns06.domaincontrol.com
pdns05.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:189.224.79.121 ip4:216.71.146.169 ip4:216.71.145.202 exists:%{i}.spf.hc5578-61.iphmx.com ip4:187.188.77.32 ip4:201.168.125.66 ip4:187.188.137.210 ip4:207.248.236.88 ip4:172.16.7.37 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • MS=3E3E49A6D6E64B3E472F74E134A359CE78BB64B6
  • intersight=1cb44a850ed60f8779a3c1058ea7a579655ad070aacf2ea5739db0b60eaa0de6
  • MS=ms45553706
  • SPFv=spf1 ip4:189.224.79.121 ip4:216.71.146.169 ip4:216.71.145.202 exists:%{i}.spf.hc5578-61.iphmx.com ip4:187.188.77.32 ip4:201.168.125.66 ip4:187.188.137.210 ip4:207.248.236.88 ip4:172.16.7.37 include:spf.protection.outlook.com -all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

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

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

No credit card required
Get 1,000 Free Credits