Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arenz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 11:06:42 UTC · ↺ Refresh
MX Hostnames
- head-server.de
- head-02.ebiz-webhosting.de
MX Priorities
- head-02.ebiz-webhosting.de: 10
- head-server.de: 11
A / AAAA Records
- 31.214.242.63 ↩ head-02.ebiz-webhosting.de
Mail Server IPs
- 31.214.242.63 ↩ head-02.ebiz-webhosting.de
- 176.9.21.118 ↩ head-server.de
SOA Record
Raw SOA
1.ns-ebiz.de hostmaster.headmarketing.de 2024011104 28800 7200 3600000 3600
Primary NS (mname)
1.ns-ebiz.de
Admin Email (rname)
hostmaster@headmarketing.de
Serial
2024011104
Refresh
28800s
Retry
7200s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
2.ns-ebiz.de
1.ns-ebiz.de
4.ns-ebiz.de
3.ns-ebiz.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.headmarketing.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 a mx include:_spf.headmarketing.de -all
Full email verification for arenz.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits