cosmos-sbk.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cosmos-sbk.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 17:10:33 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • cosmossbk-de01e.mail.protection.outlook.com: 10

A / AAAA Records

  • 46.4.195.1 ↩ obiwan.sturmlan.net

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA isengard.sturmlan.net hostmaster.sturmlan.net 2025071420 43200 10800 3600000 3600
Primary NS (mname)
isengard.sturmlan.net
Admin Email (rname)
hostmaster@sturmlan.net
Serial
2025071420
Refresh
43200s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns3.sturmlan.net
ns4.sturmlan.net
ns2.sturmlan.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • Generated by Sturm Hostmaster
  • ms60018758.msv1.invalid
  • SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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