Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rf-mueller.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 14:03:39 UTC · ↺ Refresh
MX Hostnames
- sslmail.kunze-marketing.de
MX Priorities
- sslmail.kunze-marketing.de: 10
A / AAAA Records
- 62.116.186.21 ↩ server2.kunze-marketing.de
- 2001:4178:2:1204:62:116:186:21 ↩ server2.kunze-marketing.de
Mail Server IPs
- 62.116.186.25 ↩ sslmail.kunze-marketing.de
- 2001:4178:2:1204:62:116:186:25 ↩ sslmail.kunze-marketing.de
SOA Record
Raw SOA
a.ns14.net domainservice.kunze-marketing.de 2020100802 43200 7200 1209600 3600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domainservice@kunze-marketing.de
Serial
2020100802
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
c.ns14.net
a.ns14.net
b.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip6:2001:4178:2:1204:62:116:186:21 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip6:2001:4178:2:1204:62:116:186:21 -all
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