Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gmf-design.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 01:47:41 UTC · ↺ Refresh
MX Hostnames
- w00725ff.kasserver.com
MX Priorities
- w00725ff.kasserver.com: 10
A / AAAA Records
- 85.13.133.121 ↩ dd10832.kasserver.com
Mail Server IPs
- 85.13.133.121 ↩ dd10832.kasserver.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2512121539 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2512121539
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.kasserver.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],:mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],:mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms25281660
- slack-domain-verification=Qu4juDUty4MuyErQmGt4u2O62EouGes1JB0dyObJ
- google-site-verification=6cn6RK8hpsbuU_4quZdd6Nl7XlRVOPQNGCagiisH5AU
- SPFv=spf1 a mx include:spf.kasserver.com ~all
- brevo-code:ab05deec643d341b0a7cb01bc40db0ad
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
See demo & docs
Deep verification
Full email verification for gmf-design.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits