he-tksysteme.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
he-tksysteme.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 22:35:10 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • hetksysteme-de0e.mail.protection.outlook.com: 10

A / AAAA Records

  • 89.110.140.176 ↩ mail.vm-140-176.netclusive.cloud

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA docks08.rzone.de hostmaster.strato-rz.de 2020050885 86400 7200 604800 300
Primary NS (mname)
docks08.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050885
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks08.rzone.de
shades06.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ 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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • v3.17MNK6UXIJPXLYJZ.7WUNZF56H402X19TADMGFB4JEJLQXJ9Y9ONDG2XB6NI4KSQD
  • apple-domain-verification=c1CIVsv0xuBfpwrW
  • MS=ms24693879
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