Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
puppenbrunnen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 05:08:09 UTC · ↺ Refresh
MX Hostnames
- mx.devtig.de
MX Priorities
- mx.devtig.de: 10
A / AAAA Records
- 127.0.0.1 ↩ localhost
Mail Server IPs
- 5.9.87.247 ↩ mx.devtig.de
- 2a01:4f8:162:1225::247 ↩ mx.devtig.de
SOA Record
Raw SOA
ns.3-y.de zonemaster.3-y.de 2025072454 10800 600 1209600 900
Primary NS (mname)
ns.3-y.de
Admin Email (rname)
zonemaster@3-y.de
Serial
2025072454
Refresh
10800s
Retry
600s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ns.3-y.de
ns2.3-y.de
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.devtig.de
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; ruf=mailto:[email protected]; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
1 record- SPFv=spf1 redirect=_spf.devtig.de
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 puppenbrunnen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits