Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kennzeichen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 22:16:38 UTC · ↺ Refresh
MX Hostnames
- mx01.ionos.de
- mx00.ionos.de
MX Priorities
- mx00.ionos.de: 10
- mx01.ionos.de: 10
A / AAAA Records
- 104.26.2.228 (no PTR)
- 172.67.73.71 (no PTR)
- 104.26.3.228 (no PTR)
- 2606:4700:20::681a:2e4 (no PTR)
- 2606:4700:20::ac43:4947 (no PTR)
- 2606:4700:20::681a:3e4 (no PTR)
Mail Server IPs
- 212.227.15.41 ↩ mx00.kundenserver.de
- 217.72.192.67 ↩ mx01.kundenserver.de
SOA Record
Raw SOA
lars.ns.cloudflare.com dns.cloudflare.com 2399750258 10000 2400 604800 1800
Primary NS (mname)
lars.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399750258
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lars.ns.cloudflare.com
michelle.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:mail.zendesk.com include:agenturserver.de include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=25;ruf=mailto:[email protected];rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 25% of failing messages only
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 include:mail.zendesk.com include:agenturserver.de include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de -all
Full email verification for kennzeichen.de
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