fkb-gmbh.com

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
fkb-gmbh.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-18 03:55:26 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • utm.fkb-gmbh.com
  • utm2.fkb-gmbh.com

MX Priorities

  • utm2.fkb-gmbh.com: 20
  • utm.fkb-gmbh.com: 10

A / AAAA Records

  • 217.160.0.61 ↩ 217-160-0-61.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::21e ↩ 2001-08d8-100f-f000-0000-0000-0000-021e.elastic-ssl.ui-r.com

Mail Server IPs

  • 217.91.174.147 ↩ utm2.fkb-gmbh.com
  • 37.24.160.134 ↩ utm.fkb-gmbh.com

SOA Record

Raw SOA ns1026.ui-dns.com hostmaster.1und1.de 2017063041 28800 7200 604800 300
Primary NS (mname)
ns1026.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017063041
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1026.ui-dns.com
ns1121.ui-dns.de
ns1061.ui-dns.biz
ns1096.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:37.24.160.134 ip4:217.91.174.147 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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
  • SPFv=spf1 mx a ip4:37.24.160.134 ip4:217.91.174.147 include:spf.protection.outlook.com -all
  • apple-domain-verification=itMFenbgP2sI9PJR
  • MS=ms54389132
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for fkb-gmbh.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits