Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
is9.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 05:24:51 UTC · ↺ Refresh
MX Hostnames
- mail.is9.de
MX Priorities
- mail.is9.de: 10
A / AAAA Records
- 85.10.215.25 ↩ dedi425.your-server.de
Mail Server IPs
- 85.10.215.25 ↩ dedi425.your-server.de
SOA Record
Raw SOA
a.ns14.net manfred.is9.de 2023121600 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
manfred@is9.de
Serial
2023121600
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
a.ns14.net
b.ns14.net
c.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a:is9.de a:mail.is9.de.de a:srv1.is9.de -all
📊 DNS lookups: 3/10
✓ 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:is9.de a:mail.is9.de.de a:srv1.is9.de -all
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