Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
herrbruck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 14:15:23 UTC · ↺ Refresh
MX Hostnames
- herrbruck.de
MX Priorities
- herrbruck.de: 10
A / AAAA Records
- 89.110.155.133 ↩ herrbruck.com
Mail Server IPs
- 89.110.155.133 ↩ herrbruck.com
SOA Record
Raw SOA
nsa2.schlundtech.de herrbruck.mac.com 2022101800 43200 7200 1209600 600
Primary NS (mname)
nsa2.schlundtech.de
Admin Email (rname)
herrbruck@mac.com
Serial
2022101800
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsb2.schlundtech.de
nsc2.schlundtech.de
nsa2.schlundtech.de
nsd2.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:89.110.146.40 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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 ip4:89.110.146.40 ~all
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