fit-star.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fit-star.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 15:56:44 UTC · ↺ Refresh

MX Hostnames

  • fitstar-de0i.mail.protection.outlook.com

MX Priorities

  • fitstar-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 88.99.235.250 ↩ postfix.fourdegrees.de

Mail Server IPs

  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.resellerinterface.de hostmaster.resellerinterface.de 1773045616 10800 3600 604800 120
Primary NS (mname)
ns1.resellerinterface.de
Admin Email (rname)
hostmaster@resellerinterface.de
Serial
1773045616
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
120s

Nameservers (NS)

ns3.resellerinterface.de
ns1.resellerinterface.de
ns2.resellerinterface.de

SPF Record

✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com ip4:87.106.16.174 include:mail.zendesk.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

6 records
  • SPFv=spf1 a include:spf.protection.outlook.com ip4:87.106.16.174 include:mail.zendesk.com -all
  • MS=ms57829173
  • asv=49a967fa188a1b0668044291aa46808e
  • brevo-code:d2fe00cc568bf23c0efc338e71bb9711
  • facebook-domain-verification=6qtn8esmtfzgoa6m6cr3ip05aywmyu
  • 201704280824425lp91ty8vvun9t5j2jczy9s8l2jorqs09ssisnnl37ucr7xhe2
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