geier-tronic.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
geier-tronic.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-21 18:41:47 UTC ยท โ†บ Refresh

MX Hostnames

  • w0088e32.kasserver.com

MX Priorities

  • w0088e32.kasserver.com: 10

A / AAAA Records

  • 85.13.152.161 โ†ฉ dd35636.kasserver.com

Mail Server IPs

  • 85.13.152.161 โ†ฉ dd35636.kasserver.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2601061027 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2601061027
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns6.kasserver.com
ns5.kasserver.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 a mx include:spf.kasserver.com ~all
๐Ÿ“Š DNS lookups: 3/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ“ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
โš  Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

3 records
  • google-site-verification=jWzW0NxIulG-5-8tiJd5JLO1Q5XepSRqHuqolMhYnso
  • google-site-verification=1xIchR5B9gi10swJR9ALpjLmlH7pk9lHBOxavlF5a-0
  • SPFv=spf1 a mx include:spf.kasserver.com ~all
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 geier-tronic.de

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

No credit card required
Get 1,000 Free Credits