Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
castello-martello.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 21:58:30 UTC · ↺ Refresh
MX Hostnames
- mail.castello-martello.de
MX Priorities
- mail.castello-martello.de: 10
A / AAAA Records
- 2.58.54.175 ↩ vpsh10631.hostonserver.de
Mail Server IPs
- 2.58.54.175 ↩ vpsh10631.hostonserver.de
SOA Record
Raw SOA
alpha.host-on.net info.werbeagentur-wuest.de 2025060612 43200 7200 1209600 86400
Primary NS (mname)
alpha.host-on.net
Admin Email (rname)
info@werbeagentur-wuest.de
Serial
2025060612
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
gamma.host-on.net
beta.host-on.net
alpha.host-on.net
delta.host-on.net
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
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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