Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
siba.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 23:20:37 UTC · ↺ Refresh
MX Hostnames
- mx2.siba.de
- mx.siba.de
- mx1.siba.de
MX Priorities
- mx1.siba.de: 10
- mx.siba.de: 30
- mx2.siba.de: 20
A / AAAA Records
- 212.63.145.254 ↩ linux17.unixserver.org
- 2a02:708::14f:0:0:0:2 ↩ linux17.unixserver.org
Mail Server IPs
- 91.137.89.195 ↩ mx1.siba.de
- 213.148.146.44 ↩ mx2.siba.de
SOA Record
Raw SOA
ns12.nameserver.de dnsmaster.ns12.nameserver.de 2026040201 24800 3600 604800 3600
Primary NS (mname)
ns12.nameserver.de
Admin Email (rname)
dnsmaster@ns12.nameserver.de
Serial
2026040201
Refresh
24800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns12.nameserver.de
ns11.nameserver.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mta6.xcellcom.de a:mta7.xcellcom.de ip4:212.63.145.254 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ 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
6 records- SPFv=spf1 mx a:mta6.xcellcom.de a:mta7.xcellcom.de ip4:212.63.145.254 include:spf.protection.outlook.com -all
- apple-domain-verification=9ldvmDQ4KYBHq6CW
- sophos-domain-verification=73b71275bda9739730f4bc78354dde5bf87dc70a9f2031e5f0f684d8166eac03
- MS=ms77643450
- google-site-verification=Ozf8FBniBrN1zXfmsNdI8n1BVQyJf4tgN9WWxn3A4G0
- AGvc4fxIdfA6jQoJrPhi
Full email verification for siba.de
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