schmittmann.com

Valid Email Server

Domain Overview

DNS: ✓ 24h ago Checker: ✓ 24h ago
schmittmann.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-10 13:44:32 UTC · ↺ Refresh

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MX Hostnames

  • mx01.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx04.hornetsecurity.com
  • mx02.hornetsecurity.com

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx04.hornetsecurity.com: 40
  • mx03.hornetsecurity.com: 30
  • mx01.hornetsecurity.com: 10

A / AAAA Records

  • 49.12.214.29 ↩ redirect.goeppel.eu
  • 2a01:4f8:1c17:c7dc::1 ↩ redirect.goeppel.eu

Mail Server IPs

  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com

SOA Record

Raw SOA a.dns-i.net hostmaster.insyst.de 2024091416 28800 7200 1209600 1800
Primary NS (mname)
a.dns-i.net
Admin Email (rname)
hostmaster@insyst.de
Serial
2024091416
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
1800s

Nameservers (NS)

a.dns-i.net
c.dns-i.net
b.dns-i.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.insyst.de include:spf.hornetsecurity.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

1 record
  • SPFv=spf1 include:spf.insyst.de include:spf.hornetsecurity.com ~all
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