ass-siegen.de

Valid Email Server
Domain Lookup › ass-siegen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ass-siegen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 23:33:34 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 188.40.16.159 ↩ sirius.bense.com

Mail Server IPs

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

SOA Record

Raw SOA dns01-tld.t-online.de dns.telekom.de 2025070201 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2025070201
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns02-tld.t-online.de
dns01-tld.t-online.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:83.246.65.0/24 ip4:185.140.204.0/22 ip4:94.100.128.0/20 ip4:171.18.24.12 -all
📊 DNS lookups: 2/10
✓ 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

1 record
  • SPFv=spf1 a mx ip4:83.246.65.0/24 ip4:185.140.204.0/22 ip4:94.100.128.0/20 ip4:171.18.24.12 -all
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