mma.de

Valid Email Server
Domain Lookup › mma.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mma.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 02:31:10 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mma-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 81.173.194.3 ↩ webcluster01.netcologne.de

Mail Server IPs

  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA dns11.netcologne.de hostmaster.netcologne.de 2026030904 10800 3600 3600000 3600
Primary NS (mname)
dns11.netcologne.de
Admin Email (rname)
hostmaster@netcologne.de
Serial
2026030904
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

dns12.netcologne.de
dns14.netcologne.de
dns13.netcologne.de
dns11.netcologne.de

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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • SPFv=spf1 mx include:_spf.netcologne.de ~all
  • MS=ms17982919
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