dfds.de

Valid Email Server
Domain Lookup › dfds.de

Domain Overview

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

Checked via [email protected] · 2026-03-22 08:07:06 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • dfds-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 52.85.31.64 ↩ server-52-85-31-64.jfk50.r.cloudfront.net
  • 52.85.31.75 ↩ server-52-85-31-75.jfk50.r.cloudfront.net
  • 52.85.31.91
  • 52.85.31.74

Mail Server IPs

  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA ns-124.awsdns-15.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-124.awsdns-15.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-965.awsdns-56.net
ns-1174.awsdns-18.org
ns-124.awsdns-15.com
ns-1708.awsdns-21.co.uk

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com ip4:193.9.230.229 ip4:193.9.230.143 ip4:193.9.230.144 ip4:207.54.76.149 ip4:207.54.77.27 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=s; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • 99m3pcg33sl2t5vihmvdk9and
  • MS=ms50824576
  • SPFv=spf1 mx include:spf.protection.outlook.com ip4:193.9.230.229 ip4:193.9.230.143 ip4:193.9.230.144 ip4:207.54.76.149 ip4:207.54.77.27 -all
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