kaltenbach-gruppe.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
kaltenbach-gruppe.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-28 12:01:49 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 194.6.209.237 โ†ฉ srv-a-cc.c-1407.maxcluster.net

Mail Server IPs

  • 94.100.134.8 โ†ฉ mx03.hornetsecurity.com
  • 94.100.132.8 โ†ฉ mx01.hornetsecurity.com
  • 94.100.136.8 โ†ฉ mx02.hornetsecurity.com
  • 94.100.136.7 โ†ฉ mx04.hornetsecurity.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2602121148 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2602121148
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns5.kasserver.com
ns6.kasserver.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.mailjet.com include:de-punkt.de include:smtp-01.tool24.de include:spf.hornetsecurity.com ~all
๐Ÿ“Š DNS lookups: 6/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 1 found
mail._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: mail

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

All TXT Records

5 records
  • MS=ms35900910
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.mailjet.com include:de-punkt.de include:smtp-01.tool24.de include:spf.hornetsecurity.com ~all
  • google-site-verification=bbnymlHSnseSoCLuK1YGM8U3tQpmUwNF1pI1g1X2Wmc
  • brevo-code:3caa3bb17cebb44de29009e15a99f243
  • apple-domain-verification=DB0xYUrscFWRNO6E
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for kaltenbach-gruppe.de

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

No credit card required
Get 1,000 Free Credits