Domain Overview
DNS: ✓ 5d ago
Checker: ✓ 5d ago
zaehnemit.biz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-25 16:53:39 UTC · ↺ Refresh
MX Hostnames
- mail.zaehnemit.biz
MX Priorities
- mail.zaehnemit.biz: 10
A / AAAA Records
- 91.233.84.113 ↩ www.visiontech2.com
Mail Server IPs
- 91.233.87.21 ↩ mx1bln1.prossl.de
SOA Record
Raw SOA
ns1.prodns.de dnsmaster.prodns.de 2026051901 14400 3600 2419200 300
Primary NS (mname)
ns1.prodns.de
Admin Email (rname)
dnsmaster@prodns.de
Serial
2026051901
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3.prodns.de
ns1.prodns.de
ns2.prodns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:91.233.84.0/22 ~all
📊 DNS lookups: 2/10
~ 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 detectedNo 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
2 records- facebook-domain-verification=j84h5ct6useo911v86n3zmx3c45h2e
- SPFv=spf1 a mx ip4:91.233.84.0/22 ~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 zaehnemit.biz
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits