Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
prochannel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 01:04:42 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 5.75.209.151 ↩ prod-htz-app-01.prochannel.de
- 2a01:4f8:1c17:b1c5::1 ↩ prod-htz-app-01.prochannel.de
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026022800 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026022800
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ 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- SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- MS=ms83789519
- have-i-been-pwned-verification=dweb_a49giaxjv4gpzqbkj4sdfclf
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