ludwig-fresenius.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ludwig-fresenius.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 09:18:41 UTC · ↺ Refresh

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MX Hostnames

  • ludwigfresenius-de01e.mail.protection.outlook.com

MX Priorities

  • ludwigfresenius-de01e.mail.protection.outlook.com: 0

A / AAAA Records

  • 34.8.130.143 ↩ 143.130.8.34.bc.googleusercontent.com
  • 2600:1901::46dc:0:0:0:0 (no PTR)

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.timmehosting.de zonemaster.timmehosting.de 2026032506 7200 900 604800 86400
Primary NS (mname)
ns1.timmehosting.de
Admin Email (rname)
zonemaster@timmehosting.de
Serial
2026032506
Refresh
7200s
Retry
900s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns3.timmehosting.de
ns2.timmehosting.de
ns1.timmehosting.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:_spf.salesforce.com a:cognos-ag.managed-otrs.com ip4:159.69.3.23 ip4:116.203.110.13 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

11 records
  • _storkj9ijgtrq183tebl8il2cur2km3
  • swisssign-check=ePKqy5HTqFrP0OVlzHffLg0WZ9k
  • google-site-verification=jHSWev9MpSEquvehE9eBp0iYkOTg0bF5IPIto3XBauk
  • MS=ms50264737
  • ZOOM_verify_U3AHIGKETEG7hGOJJqawaw
  • apple-domain-verification=XPtYMFr6DnWFxjQ4
  • _yn634iag379fhwkbl45uyooevbqobx3
  • s7k7y4hl8lh3dzkjfbng2l90zd7fsw08
  • SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:_spf.salesforce.com a:cognos-ag.managed-otrs.com ip4:159.69.3.23 ip4:116.203.110.13 -all
  • 202202131103550ixuac1myvohspsbuxfio3bueesgqw5cgf4ysr8b7c9ayib6hn
  • gtg22qpk59pdkyrywkklt4rqtjkys36p
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