Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
herzomedia.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 21:26:10 UTC · ↺ Refresh
MX Hostnames
- smtp.herzowerke.de
MX Priorities
- smtp.herzowerke.de: 10
A / AAAA Records
- 134.119.0.208 ↩ ms11730.ispgateway.de
- 2a00:1158:5:d0:: ↩ ms11730.ispgateway.de
Mail Server IPs
- 93.88.16.84 ↩ smtp.herzowerke.de
SOA Record
Raw SOA
ns1.m-online.net hostmaster.m-net.de 2025071500 3600 1800 3600000 600
Primary NS (mname)
ns1.m-online.net
Admin Email (rname)
hostmaster@m-net.de
Serial
2025071500
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
600s
Nameservers (NS)
ns3.m-online.net
ns2.m-online.net
ns1.m-online.net
ns4.m-online.net
SPF Record
✓ Strict (-all)
v=spf1 mx a include:ispgateway.de include:smtp.herzowerke.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ 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
3 records- MS=ms53084334
- SPFv=spf1 mx a include:ispgateway.de include:smtp.herzowerke.de include:spf.protection.outlook.com -all
- MS=68404F66D0F42F7F76D8DFAE99853FBAE58FC12F
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