st-sixtus.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
st-sixtus.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 19:10:49 UTC · ↺ Refresh

MX Hostnames

  • stsixtus-de0e.mail.protection.outlook.com

MX Priorities

  • stsixtus-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 78.47.190.174 ↩ kundenserver240401.ws-haltern.de
  • 2a01:4f8:c012:a0a4::1 ↩ kundenserver240401.ws-haltern.de

Mail Server IPs

  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA ns2.ws-haltern.de tweihs.ws-haltern.de 2026040400 3600 900 1209600 1200
Primary NS (mname)
ns2.ws-haltern.de
Admin Email (rname)
tweihs@ws-haltern.de
Serial
2026040400
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
1200s

Nameservers (NS)

ns3.ws-haltern.de
ns4.ws-haltern.de
ns2.ws-haltern.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:195.37.142.91/32 ip4:195.37.142.92/32 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • MS=ms89943172
  • SPFv=spf1 ip4:195.37.142.91/32 ip4:195.37.142.92/32 include:spf.protection.outlook.com ~all
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