Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
acsn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 17:31:40 UTC · ↺ Refresh
MX Hostnames
- mxlb.ispgateway.de
MX Priorities
- mxlb.ispgateway.de: 10
A / AAAA Records
- 92.205.196.22 ↩ mc20973.ispgateway.de
Mail Server IPs
- 80.67.18.126 ↩ mxlb.ispgateway.de
SOA Record
Raw SOA
nsa1.schlundtech.de rk.bkr.de 2025080800 43200 7200 1209600 86400
Primary NS (mname)
nsa1.schlundtech.de
Admin Email (rname)
rk@bkr.de
Serial
2025080800
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa1.schlundtech.de
nsd1.schlundtech.de
nsb1.schlundtech.de
nsc1.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:ispgateway.de -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
3 records- google-site-verification=F3EP5gtbG0AkeGivJvx1j_tdgVHF2Ok84S_zheG7ZsA
- SPFv=spf1 mx include:ispgateway.de -all
- ia573u1aja9262dt3dosuoau7q
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