Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
krabbenzunft.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 19:43:40 UTC · ↺ Refresh
MX Hostnames
- mail.krabbenzunft.de
MX Priorities
- mail.krabbenzunft.de: 10
A / AAAA Records
- 159.69.198.72 ↩ server2.is-leibinger.de
Mail Server IPs
- 159.69.212.23 ↩ mail.is-leibinger.de
SOA Record
Raw SOA
ns1.is-leibinger.de info.is-leibinger.de 2024122901 14400 1800 3600 600
Primary NS (mname)
ns1.is-leibinger.de
Admin Email (rname)
info@is-leibinger.de
Serial
2024122901
Refresh
14400s
Retry
1800s
Expire
3600s
Minimum TTL
600s
Nameservers (NS)
ns1.is-leibinger.de
ns2.is-leibinger.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip6:2a01:4f8:1c1c:8b34::/64 ip6:2a01:4f8:1c1c:3c7b::/64 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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- SPFv=spf1 a mx ip6:2a01:4f8:1c1c:8b34::/64 ip6:2a01:4f8:1c1c:3c7b::/64 -all
- google-site-verification=a1TzzyHbJbp8-xQRP3Kh3XvqSrZWqHA4-d5u9hNOReQ
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 krabbenzunft.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits