2x4.de

Valid Email Server
Domain Lookup › 2x4.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
2x4.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 18:53:26 UTC · ↺ Refresh

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MX Hostnames

  • 2x4-de.mail.protection.outlook.com

MX Priorities

  • 2x4-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 85.10.218.90 ↩ static.85-10-218-90.clients.your-server.de

Mail Server IPs

  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.nodesecure.com bwitt.2x4.de 2026034558 43200 7200 1209600 600
Primary NS (mname)
ns1.nodesecure.com
Admin Email (rname)
bwitt@2x4.de
Serial
2026034558
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns2.nodesecure.de
ns1.nodesecure.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:spf.sendinblue.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • google-site-verification=B0lrIINjKtiKTIoZ5NU5pssgp0mKXDyjI-JGQzj98IM
  • SPFv=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:spf.sendinblue.com -all
  • brevo-code:f8253e39c355bb20c53a107cd2c7356b
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