Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
haesselbarth.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 01:47:33 UTC · ↺ Refresh
MX Hostnames
- mail.haesselbarth.de
- haesselbarth.de.mail.protection.outlook.com
MX Priorities
- haesselbarth.de.mail.protection.outlook.com: 0
- mail.haesselbarth.de: 100
A / AAAA Records
- 188.138.25.26 ↩ athen.2-host.de
Mail Server IPs
- 188.138.25.26 ↩ athen.2-host.de
SOA Record
Raw SOA
ns1.nstool.de hostmaster.nstool.de 2023123101 28800 7200 604800 3600
Primary NS (mname)
ns1.nstool.de
Admin Email (rname)
hostmaster@nstool.de
Serial
2023123101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.nstool.de
ns1.nstool.de
ns2.nstool.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:2-host.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s;rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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- google-site-verification=ze1-1euzJBk3QNA0tMHNh7w65ShVW1t-7SEaELTPgY8
- SPFv=spf1 a mx include:2-host.de ~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 haesselbarth.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits