defu.dk

Valid Email Server
Domain Lookup › defu.dk
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
defu.dk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-29 14:17:02 UTC · ↺ Refresh

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MX Hostnames

  • defu-dk.q-v1.mx.microsoft

MX Priorities

  • defu-dk.q-v1.mx.microsoft: 0

A / AAAA Records

  • 93.191.155.240 ↩ forward.dnsfactory.dk

Mail Server IPs

  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.120 ↩ mail-am7pr02cu00300.inbound.protection.outlook.com
  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::e ↩ mail-matpr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns.dandomain.dk hostmaster.dandomain.dk 2026020602 14400 3600 1209600 300
Primary NS (mname)
ns.dandomain.dk
Admin Email (rname)
hostmaster@dandomain.dk
Serial
2026020602
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns2.dandomain.dk
ns.dandomain.dk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · 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
  • MS=ms72367060
  • LgfIN10TLzlmz9bufiXxiJ2dpbmMuawpkgbqvVFHf+Mm+ZZ4WX2Es77ICZA2LnzH0GH887urwaygvxeBhs0vuw==
  • SPFv=spf1 include:spf.protection.outlook.com ~all
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