Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dhf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 23:57:48 UTC · ↺ Refresh
MX Hostnames
- mail.dhf.de
MX Priorities
- mail.dhf.de: 10
A / AAAA Records
- 213.133.104.21 ↩ www21.your-server.de
Mail Server IPs
- 213.133.104.21 ↩ www21.your-server.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026031700 86400 1800 3600000 86400
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026031700
Refresh
86400s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=50;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=r;aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
⚠ Policy applies to 50% 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 a mx ~all
Full email verification for dhf.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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