dfb.de

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
dfb.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 16:53:38 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 46.163.95.211 ↩ n46-163-95-211.cnet.psmanaged.com

Mail Server IPs

  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c967::8 ↩ mail-cpjpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns-831.awsdns-39.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-831.awsdns-39.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-29.awsdns-03.com
ns-831.awsdns-39.net
ns-1256.awsdns-29.org
ns-1561.awsdns-03.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:_u.dfb.de._spf.dmarclyeu.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=0:1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

17 records
  • 1password-site-verification=4FUCQZ2EERATZGMTGCT6DNATHQ
  • MS=74670875FFBF11F9D8E8772C9B8BBAA93D75F7A6
  • jamie-domain-verification-ktjs0k=Y1fF9yQnZTTnW38oZB0A6yjQJ
  • atlassian-domain-verification=h0XpTYoKgLsp4kC9VySb9H6OZ4wm0Ag3AEdNX0tobEIeYtqkKk9pzzUIH0WD42gUopenai-domain-verification=dv-ztYw5jic1M1uW6hpR9USuj8rmentimeter-3bc30b87-60c4-47ae-8588-7e5a281f170d mentimeter-3bc30b87-60c4-47ae-8588-7e5a281f170d
  • _globalsign-domain-verification=T7s4BY3V8wFTQF1rBFlnLYbpGUA8xpekQJhjDXfo-p
  • anthropic-domain-verification-s3m9rf=nOgmKr86nkcrPZu6BsvQMhnWt
  • miro-verification=f9dbaa4fb8d312a59cb8f18a5d7318a6c9706523
  • MS=ms10163556
  • Mv2Fo6sqeKQ02ZdEHOwS1o+0m1Yomi+aq09+3g2XzQbDeV5uYiEvwQrNYFD6NlCLf7m2Eq3+mrEW8EJ9APX80Q==
  • google-site-verification=uMrN39If7TxPgoiyG8L8IkdhzXlaXS_FDxvTQGwaROo
  • SPFv=spf1 include:_u.dfb.de._spf.dmarclyeu.com -all
  • google-site-verification=eEAW4ssb1JAEivDnJalo9bha6ixqy4qvUB3W78CNE-o
  • 3bzNm70+WBUiJF8gqzJkS+8VaOBG7nQaZChpdDeSIJo=
  • MS=ms25216540
  • apple-domain-verification=czY4hruDSKltGrjI
  • gzjuqhv40VvGqUhTxuRkkutlVvkM64RBglcYGpthHeM=
  • amazonses:3ZcwUkOWxDpGv7mhS/PcNJHTK5q289NmdY06LJShPII=
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