Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gieser-bau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 02:40:07 UTC · ↺ Refresh
MX Hostnames
- mail.gieser-bau.de
MX Priorities
- mail.gieser-bau.de: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 152.53.182.80 ↩ srv.k9-web.de
SOA Record
Raw SOA
nsa3.schlundtech.de info.k9-office.de 2025071000 43200 7200 1209600 600
Primary NS (mname)
nsa3.schlundtech.de
Admin Email (rname)
info@k9-office.de
Serial
2025071000
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsa3.schlundtech.de
nsd3.schlundtech.de
nsc3.schlundtech.de
nsb3.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ 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 -all
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