Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a-burkart.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:38:23 UTC · ↺ Refresh
MX Hostnames
- a-burkart.de
MX Priorities
- a-burkart.de: 5
A / AAAA Records
- 81.169.169.9 ↩ srv2.mail-rts.de
Mail Server IPs
- 81.169.169.9 ↩ srv2.mail-rts.de
SOA Record
Raw SOA
ns.kunde24.de k\.ehrlich.trust-halle.de 2026013001 40000 7200 604800 86400
Primary NS (mname)
ns.kunde24.de
Admin Email (rname)
k\@ehrlich.trust-halle.de
Serial
2026013001
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.kunde24.de
ns2.kunde24.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx ip4:81.169.169.9 ip4:85.215.86.50 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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
1 record- SPFv=spf1 +a +mx ip4:81.169.169.9 ip4:85.215.86.50 -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 a-burkart.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits