Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zentec.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 17:51:28 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 78.46.1.82 ↩ dedi682.your-server.de
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2025121100 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2025121100
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:80.151.67.97 include:spf.brevo.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.reikem.net include:fw01.zentec.de -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 mx a ip4:80.151.67.97 include:spf.brevo.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.reikem.net include:fw01.zentec.de -all
- MS=ms90922344
- brevo-code:d4c630e12e5f69b70728cba70fc8c70d
Full email verification for zentec.de
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