Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
masterhorse.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 03:42:53 UTC · ↺ Refresh
MX Hostnames
- mx.smtp-gateway.de
MX Priorities
- mx.smtp-gateway.de: 10
A / AAAA Records
- 95.142.78.199 (no PTR)
Mail Server IPs
- 95.142.78.20 ↩ axcel1.bayer-uerdingen.de
SOA Record
Raw SOA
ns1.smart-nic.de hostmaster.internetwire.de 2024050702 28800 7200 604800 1200
Primary NS (mname)
ns1.smart-nic.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2024050702
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
1200s
Nameservers (NS)
ns3.smart-nic.de
ns4.smart-nic.de
ns2.smart-nic.de
ns1.smart-nic.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf1.smtp-gateway.de include:spf.sendinblue.com mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- Sendinblue-code:c32d6d97e3da37d20b7a8d669c786c2f
- SPFv=spf1 include:_spf1.smtp-gateway.de include:spf.sendinblue.com mx ~all
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