dr-fritsch.de

Valid Email Server
Domain Lookup › dr-fritsch.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dr-fritsch.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 23:49:43 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.166 ↩ 217-160-0-166.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2eb ↩ 2001-08d8-100f-f000-0000-0000-0000-02eb.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1107.ui-dns.com hostmaster.1and1.com 2017120322 28800 7200 604800 300
Primary NS (mname)
ns1107.ui-dns.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2017120322
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1107.ui-dns.com
ns1089.ui-dns.biz
ns1091.ui-dns.de
ns1095.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com mx a:mail01.dr-fritsch.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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

3 records
  • linkedin-site-verification=ffe1f144-95b3-46e7-b944-7abce6d571b5
  • atlassian-domain-verification=b5SKpYU78pqxeEels1w1AYQVmR5mhhXv5MokfbZJDDZoRZknmmEAK6CBEnXxVOLr
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com mx a:mail01.dr-fritsch.de -all
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