4x3.net

Valid Email Server
Domain Lookup › 4x3.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
4x3.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 11:29:59 UTC · ↺ Refresh

MX Hostnames

  • 4x3-net.mail.protection.outlook.com

MX Priorities

  • 4x3-net.mail.protection.outlook.com: 10

A / AAAA Records

  • 23.185.0.1 (no PTR)
  • 2620:12a:8000::1 (no PTR)
  • 2620:12a:8001::1

Mail Server IPs

  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mediatemple.net dns.jomax.net 2026011300 28800 7200 604800 600
Primary NS (mname)
ns1.mediatemple.net
Admin Email (rname)
dns@jomax.net
Serial
2026011300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns2.mediatemple.net
ns1.mediatemple.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:168.245.110.199 ip4:70.32.66.184 include:spf.protection.outlook.com include:sendgrid.net include:4x3.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
  • google-site-verification=IgMn9bIdjwFA1Kri8W0omssVv21U0HSKsBkNzYiE4aY
  • SPFv=spf1 ip4:168.245.110.199 ip4:70.32.66.184 include:spf.protection.outlook.com include:sendgrid.net include:4x3.net -all
  • MS=ms78130315
Full email verification for 4x3.net

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