Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarzt-duemmler.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:11:36 UTC · ↺ Refresh
MX Hostnames
- mail.timm4.de
MX Priorities
- mail.timm4.de: 10
A / AAAA Records
- 185.11.255.148 ↩ web03.timm4.de
Mail Server IPs
- 91.198.2.105 ↩ mail.timm4.de
SOA Record
Raw SOA
ns1.zahnarzt-duemmler.de hostmaster.zahnarzt-duemmler.de 2023121302 7200 4000 14400 10800
Primary NS (mname)
ns1.zahnarzt-duemmler.de
Admin Email (rname)
hostmaster@zahnarzt-duemmler.de
Serial
2023121302
Refresh
7200s
Retry
4000s
Expire
14400s
Minimum TTL
10800s
Nameservers (NS)
ns1a.dodns.net
ns2a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:timm4.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
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:timm4.de -all
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