Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
christeljahn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 11:04:03 UTC · ↺ Refresh
MX Hostnames
- mx.dsinet.de
MX Priorities
- mx.dsinet.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 81.201.148.54 ↩ mx01.dsinet.de
- 81.201.148.69 ↩ mx02.dsinet.de
- 2a00:8180:1100::6 ↩ mx02.dsinet.de
- 2a00:8180:1100::5 ↩ mx01.dsinet.de
SOA Record
Raw SOA
dns01.dsinet.de hostmaster.dsi.net 2022080104 7200 540 604800 86400
Primary NS (mname)
dns01.dsinet.de
Admin Email (rname)
hostmaster@dsi.net
Serial
2022080104
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.dsinet.eu
ns2.dsinet.de
ns.dsinet.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.dsinet.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
1 record- SPFv=spf1 mx include:spf.dsinet.de -all
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