Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
st-amandus-datteln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-07 16:52:29 UTC · ↺ Refresh
MX Hostnames
- mx2.agenturserver.de
- mx4.agenturserver.de
- mx1.agenturserver.de
- mx3.agenturserver.de
MX Priorities
- mx2.agenturserver.de: 20
- mx1.agenturserver.de: 10
- mx3.agenturserver.de: 30
- mx4.agenturserver.de: 60
A / AAAA Records
- 46.30.56.242 ↩ r4056.agenturserver.it
Mail Server IPs
- 185.15.192.57 ↩ mx2.agenturserver.de
- 185.15.192.56 ↩ mx1.agenturserver.de
- 185.15.192.58 ↩ mx3.agenturserver.de
- 185.15.192.59 ↩ mx4.agenturserver.de
SOA Record
Raw SOA
nsa3.schlundtech.de partner.duosystems.de 2024071600 43200 7200 1209600 600
Primary NS (mname)
nsa3.schlundtech.de
Admin Email (rname)
partner@duosystems.de
Serial
2024071600
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsc3.schlundtech.de
nsa3.schlundtech.de
nsb3.schlundtech.de
nsd3.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 include:agenturserver.de -all
📊 DNS lookups: 1/10
✓ 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 include:agenturserver.de -all
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