Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schulz-gahmen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 18:55:01 UTC · ↺ Refresh
MX Hostnames
- kalium.selfhost.de
MX Priorities
- kalium.selfhost.de: 50
A / AAAA Records
- 185.139.158.30 ↩ kalium.selfhost.de
- 2a0b:20c0:2000:62:be24:11ff:febd:c0ef ↩ kalium.selfhost.de
Mail Server IPs
- 185.139.158.30 ↩ kalium.selfhost.de
- 2a0b:20c0:2000:62:be24:11ff:febd:c0ef ↩ kalium.selfhost.de
SOA Record
Raw SOA
pri.mordac.de hostmaster.schulz-gahmen.de 1774110595 16384 2048 1048576 2560
Primary NS (mname)
pri.mordac.de
Admin Email (rname)
hostmaster@schulz-gahmen.de
Serial
1774110595
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
pri.mordac.de
sec.mordac.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=jaaXaTe5hGFs9q4Anp3RxOHopxqGeBEiy-fzA5vqeH0
- SPFv=spf1 a mx -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
See demo & docs
Deep verification
Full email verification for schulz-gahmen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits