Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gaponline.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 05:13:56 UTC · ↺ Refresh
MX Hostnames
- mail.gapserver.de
MX Priorities
- mail.gapserver.de: 10
A / AAAA Records
- 89.31.143.20 (no PTR)
Mail Server IPs
- 213.149.84.88 ↩ mail.gapserver.de
SOA Record
Raw SOA
ns1a.dodns.net admin.gapserver.de 12 7200 900 3600000 86400
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
admin@gapserver.de
Serial
12
Refresh
7200s
Retry
900s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2a.dodns.net
ns1a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx -all
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