ustb-beratung.de

Valid Email Server
Domain Lookup › ustb-beratung.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ustb-beratung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 04:51:15 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 78.46.92.37 ↩ ns1.seffner-schlesier.de

Mail Server IPs

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

SOA Record

Raw SOA dns01-tld.t-online.de dns.telekom.de 2025022703 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2025022703
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

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

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.mailjet.com include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • MS=ms81000193
  • google-site-verification=2AWUI8aeAlyZNj9Wo8VlSJwNt_gcschudQYVyvkp9rk
  • SPFv=spf1 include:spf.mailjet.com include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
  • seobility=7a39a64544db115df02781bc965b434d
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