knk.de

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

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

Checked via [email protected] · 2026-09-04 18:53:01 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

  • mx01.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx04.hornetsecurity.com

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10
  • mx03.hornetsecurity.com: 30

A / AAAA Records

  • 188.40.3.13 ↩ dedi2113.your-server.de

Mail Server IPs

  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2026081101 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026081101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns3.domaindiscount24.net
ns2.domaindiscount24.net
ns1.domaindiscount24.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:40.113.116.112 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:marketing.dynamics.com include:spf-de.emailsignatures365.com ip4:212.107.9.251 ip4:212.107.9.252 include:spf.cloud.ci-solution.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

8 records
  • XNc+ONL5CRO4RVD5HLxJdSWE+XCJGWDCLxTPVzTSEf0VW3BZ2sr/oNJ0TuFXuxLhGUh04amUgBeAzP78SJpS8Q==
  • MS=ms96942975
  • anthropic-domain-verification-x2j0q7=4bInRyzkAGJUs10au2LJyej5B
  • d365mktkey=2dcnphuxr7q9c1t17ko0qrnr
  • atlassian-domain-verification=g/48fxgBuOtzmfXwArEdTKggbTF4vto32VIdThfkKp7MRIM/blmMvnA/0KEzoO//
  • _dqvextdeyiqo0sy3wpdvqk63zlamzw9
  • atlassian-domain-verification=f0ziFH8oWKa92eLWOR6S3LEr6xe7H8f1OPpCLwCjOKHhwTRcIv/A/wpdn/Vv0Z/W
  • SPFv=spf1 ip4:40.113.116.112 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:marketing.dynamics.com include:spf-de.emailsignatures365.com ip4:212.107.9.251 ip4:212.107.9.252 include:spf.cloud.ci-solution.com ~all
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 knk.de

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

No credit card required
Get 1,000 Free Credits