expandable.de

Valid Email Server
Domain Lookup › expandable.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
expandable.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 22:08:55 UTC · ↺ Refresh

MX Hostnames

  • expandable-de.mail.protection.outlook.com
  • expandable.de

MX Priorities

  • expandable-de.mail.protection.outlook.com: 0
  • expandable.de: 20

A / AAAA Records

  • 188.40.3.130 ↩ dedi2230.your-server.de
  • 2a01:4f8:d0a:3124::2 ↩ dedi2230.your-server.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 188.40.3.130 ↩ dedi2230.your-server.de
  • 2a01:4f8:d0a:3124::2 ↩ dedi2230.your-server.de

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026011500 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026011500
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — 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

3 records
  • MS=ms39266648
  • google-site-verification=SBdD7hcBAZnUEHKJXqHAqglEcmOd7e86FcIPoakRywo
  • SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for expandable.de

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