realst.mx

Valid Email Server

Domain Overview

DNS: ✓ 1h ago Checker: ✓ 1h ago
realst.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 10:44:15 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • realst-mx.mail.protection.outlook.com

MX Priorities

  • realst-mx.mail.protection.outlook.com: 0

A / AAAA Records

  • 65.99.225.146 ↩ svgp215.serverneubox.com.mx

Mail Server IPs

  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c927::8 ↩ mail-bn3pr0301cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com

SOA Record

Raw SOA ns144.neubox.net root.svgp416.serverneubox.com.mx 2026081102 3600 1800 1209600 86400
Primary NS (mname)
ns144.neubox.net
Admin Email (rname)
root@svgp416.serverneubox.com.mx
Serial
2026081102
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns144.neubox.net
ns245.neubox.net
ns143.neubox.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:65.99.225.146 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx +a +mx +ip4:198.59.144.209 +ip4:174.136.25.87 +include:spf.protection.outlook.com +include:50648907.spf10.hubspotemail.net -all
📊 DNS lookups: 7/10
✓ 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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

3 records
  • hubspot-h6bClo3BER7U
  • SPFv=spf1 ip4:65.99.225.146 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx +a +mx +ip4:198.59.144.209 +ip4:174.136.25.87 +include:spf.protection.outlook.com +include:50648907.spf10.hubspotemail.net -all
  • MS=ms10809827
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 · Customize →
See demo & docs
Deep verification
Full email verification for realst.mx

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

No credit card required
Get 1,000 Free Credits