dfg.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-01 08:41:01 UTC · ↺ Refresh

MX Hostnames

  • dfg-de.mail.protection.outlook.com
  • mx.dfg.de

MX Priorities

  • mx.dfg.de: 40
  • dfg-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.19.13.128 (no PTR)

Mail Server IPs

  • 83.143.6.18 ↩ mx.dfg.de
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA srwgp590.dfg.de admin.dfg.de 2005092609 28800 7200 2592000 3600
Primary NS (mname)
srwgp590.dfg.de
Admin Email (rname)
admin@dfg.de
Serial
2005092609
Refresh
28800s
Retry
7200s
Expire
2592000s
Minimum TTL
3600s

Nameservers (NS)

dns-2.dfn.de
dns-3.dfn.de
dns-1.dfn.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:193.104.82.0/24 ip4:83.143.0.155 ip4:62.146.140.213 ip4:83.143.6.29 ip4:83.143.6.30 ip4:35.242.247.107 ip4:34.107.8.58 ip4:83.143.6.67 ip4:83.143.6.68 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; adkim=r; aspf=s; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

12 records
  • apple-domain-verification=HBEmVebPNl2oYcmt
  • b6MgjhLEmjhHJWsQpMwHVg52udFViJs6mhVoaWDBOG0rQuNyeTyzezIS0CWBa6LTmGc/VT3v/dRWJyy0IPOxbw==
  • 1r7dg4ylctk9jjm84ndpctc125y4p91q
  • atlassian-domain-atlassian-domain-verification=ZquMES87ckUdr3doxtvfTciNffbITf2EYEkRMh7xSuUIRhiIz1po7xE55TqXu7jx
  • successfactors-site-verification=MjQwZjgwYWEwM2E4MTQyODc3NzdhZWM1Zjc1Njk4NDFlMmExYTEwODQzODI1Yzc5YTkyOGE5YzI1N2I0MWM1Ng==
  • google-site-verification=RRNMTxwMK7uvrKU0LsvGVGgCK4iGXdjJhfSTVQZWupo
  • zone-ownership-verification-73ee138b6e2b826c1fdffd6d2806c2b997ebfcf8981698a3d2ecbfbfc233bfd6
  • adobe-idp-site-verification=9825e69dee778f21cfa148f3aeee96d0f085cd46e3b4c7058ba0c9bd43c84b85
  • successfactors-site-verification=Y2NmYTVkYWFmZmMyMmQxNjcwODZjNTdiMjA5N2FlOTkyM2RkMzVhYmM0MDUyZWMxNGRjYjNiYWM3ZDdiNjY3Mw==TTL:3600
  • SPFv=spf1 ip4:193.104.82.0/24 ip4:83.143.0.155 ip4:62.146.140.213 ip4:83.143.6.29 ip4:83.143.6.30 ip4:35.242.247.107 ip4:34.107.8.58 ip4:83.143.6.67 ip4:83.143.6.68 include:spf.protection.outlook.com -all
  • successfactors-site-verification=MjQwZjgwYWEwM2E4MTQyODc3NzdhZWM1Zjc1Njk4NDFlMmExYTEwODQzODI1Yzc5YTkyOGE5YzI1N2I0MWM1Ng==TTL:3600
  • _acme-challenge.dfg.de=dn76A5YxoLh7sIsonYKTycLGBCiSB8OwfyfeLeejqc0
Full email verification for dfg.de

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