fernstudienanbieter.de

Valid Email Server
Domain Lookup › fernstudienanbieter.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 11:13:01 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • fernstudienanbieter-de.mail.protection.outlook.com: 5

A / AAAA Records

  • 217.113.41.42 (no PTR)

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns.kunde24.de info.istis.de 2025092601 3600 7200 604800 86400
Primary NS (mname)
ns.kunde24.de
Admin Email (rname)
info@istis.de
Serial
2025092601
Refresh
3600s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns.kunde24.de
ns2.kunde24.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.cloud.ci-solution.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.cloud.ci-solution.com include:spf.emailsignatures365.com -all
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