teku-gmbh.de

Valid Email Server
Domain Lookup › teku-gmbh.de

Domain Overview

DNS: ✓ 24h ago Checker: ✓ 24h ago
teku-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-10 14:27:09 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.33.216.27 ↩ web27.rgfi.net

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 dns01.rgfi.net hostmaster.rgi.net 2026052605 7200 3600 604800 1800
Primary NS (mname)
dns01.rgfi.net
Admin Email (rname)
hostmaster@rgi.net
Serial
2026052605
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dns01.rgfi.net
dns03.rgfi.net
dns02.rgfi.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:93.240.43.66 a:mail.teku-gmbh.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

3 records
  • 2d5dc4a7ecd1a64dd121c8cdeff6c0e60c8a91dcf4449ddd3a7145e977fde2a
  • c0b7h004b99r67y0jg7sp740g9xgym1h
  • SPFv=spf1 ip4:93.240.43.66 a:mail.teku-gmbh.de -all
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