fehrenkoetter.de

Valid Email Server
Domain Lookup › fehrenkoetter.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fehrenkoetter.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 14:33:26 UTC · ↺ Refresh

MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 10
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 213.135.2.230 ↩ hosting20.ma-x.de

Mail Server IPs

  • 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
  • 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns1.rz-24.de technik.rz-24.de 2026021201 7200 540 604800 3600
Primary NS (mname)
ns1.rz-24.de
Admin Email (rname)
technik@rz-24.de
Serial
2026021201
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.rz-24.de
ns2.rz-24.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:15.216.28.0/24 ip4:188.40.142.0/24 include:spf.rz-24.de include:_spf.prod.hydra.sophos.com include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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

5 records
  • MS=ms41260656
  • _globalsign-domain-verification=N6tj-5aaAg42F4zJTVnJ_-wl23aAElxRCr9QXMZzMo
  • sophos-domain-verification=faf774cd62702333592883dc5b54f66d89af7b10
  • SPFv=spf1 mx ip4:15.216.28.0/24 ip4:188.40.142.0/24 include:spf.rz-24.de include:_spf.prod.hydra.sophos.com include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com ~all
  • sophos-domain-verification=bd9e5bc7228605f4fc4da02edce4b0e9d7c3add5ac208dc00f95538b918cc3b9
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