fb-research.de

Valid Email Server
Domain Lookup › fb-research.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fb-research.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 19:24:26 UTC · ↺ Refresh

MX Hostnames

  • mxin02.fb-portal.de
  • mxin01.fb-portal.de

MX Priorities

  • mxin01.fb-portal.de: 10
  • mxin02.fb-portal.de: 20

A / AAAA Records

  • 81.14.184.66 ↩ a81-14-184-66.net-htp.de

Mail Server IPs

  • 81.14.184.210 ↩ mxin01.fb-portal.de
  • 81.14.184.211 ↩ mxin02.fb-portal.de

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024122440 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024122440
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.de
ns.udag.net
ns.udag.org

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:81.14.184.214 ip4:81.14.184.213 ip4:81.14.184.212 include:_smtp.udag.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 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
  • google-site-verification=ZGhUidVeAKUJ9tsmeI4Y80X721YeRyyyVu4lrgVtJAQ
  • cisco-ci-domain-verification=7c48f01ce6ddee39f0f4e433eef7a8a30a893484ee6174f8c808152df3c1afda
  • SPFv=spf1 mx ip4:81.14.184.214 ip4:81.14.184.213 ip4:81.14.184.212 include:_smtp.udag.de -all
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