biofidus.de

Valid Email Server
Domain Lookup › biofidus.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
biofidus.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 12:21:53 UTC · ↺ Refresh

MX Hostnames

  • biofidus-de.mail.protection.outlook.com

MX Priorities

  • biofidus-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 85.13.164.135 ↩ dd48220.kasserver.com

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2604031240 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2604031240
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns6.kasserver.com
ns5.kasserver.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:w01abb6a.kasserver.com -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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

5 records
  • google-site-verification=2XgTQVSaErxIz-_EfDEYQqSqH5Jw7pkebVqT01iyzwA
  • MS=ms76293948
  • _globalsign-domain-verification=fpo3IuZRkgbqqbH64API68ANW92MR7mwsEryFt4lYj
  • SPFv=spf1 include:spf.protection.outlook.com include:w01abb6a.kasserver.com -all
  • _globalsign-domain-verification=IZZVb0NxA8v7NXNOCuBysTQkF1_NkPENXWL3KLXgSs
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