Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marx-technik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 01:20:39 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 116.202.53.50 ↩ cyncode1.aix-cloud.de
- 2a01:4f8:231:374d::2 ↩ cyncode1.aix-cloud.de
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns1.ns-serve.net root.ns1.ns-serve.net 1773824245 10800 3600 604800 3600
Primary NS (mname)
ns1.ns-serve.net
Admin Email (rname)
root@ns1.ns-serve.net
Serial
1773824245
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.ns-serve.net
ns2.ns-serve.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:23.88.31.222 ip4:116.202.53.50 ip4:46.163.90.182 ip4:213.209.125.1 include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; adkim=r; aspf=r; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- MS=2AEC344BD7C71244A6BA1B5E5DD498F3F6069A33
- SPFv=spf1 ip4:23.88.31.222 ip4:116.202.53.50 ip4:46.163.90.182 ip4:213.209.125.1 include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
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