securesystems.de

Valid Email Server
Domain Lookup › securesystems.de

Domain Overview

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

Checked via [email protected] · 2026-03-28 19:33:27 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 88.99.107.170 ↩ web.a4a.de
  • 2a01:4f8:10a:1d5c:8000::7 ↩ web.a4a.de

Mail Server IPs

  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA get.desec.io get.desec.io 2025043644 86400 3600 2419200 3600
Primary NS (mname)
get.desec.io
Admin Email (rname)
get@desec.io
Serial
2025043644
Refresh
86400s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns1.desec.io
ns2.desec.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
✓ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=5QWP2Lg-RUBtW-BFWnaNyhtN4piHUApcbTf1xVZGsOo
  • atlassian-domain-verification=cvb7nlmBVKCUTFSdU1gGbITguo3l9Pxk0tzUwpO0HwkRawJaxkAfY/O23W0fRTUA
  • MS=ms93841707
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