Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a4a.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 09:23:46 UTC · ↺ Refresh
MX Hostnames
- mail.a4a.de
MX Priorities
- mail.a4a.de: 10
A / AAAA Records
- 88.99.107.170 ↩ web.a4a.de
- 2a01:4f8:10a:1d5c:8000::7 ↩ web.a4a.de
Mail Server IPs
- 88.99.107.169 ↩ mail.a4a.de
- 2a01:4f8:10a:1d5c:8000::8 ↩ mail.a4a.de
SOA Record
Raw SOA
get.desec.io get.desec.io 2025106036 86400 3600 2419200 3600
Primary NS (mname)
get.desec.io
Admin Email (rname)
get@desec.io
Serial
2025106036
Refresh
86400s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.desec.io
ns2.desec.org
SPF Record
✓ Strict (-all)
v=spf1 mx -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 mx -all
Full email verification for a4a.de
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