dh-itsystems.de

Valid Email Server
Domain Lookup › dh-itsystems.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dh-itsystems.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 08:48:44 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 52.97.183.200 (no PTR)

Mail Server IPs

  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.domainoffensive.de info.domains.resellerinterface.de 1706267460 10800 3600 604800 900
Primary NS (mname)
ns1.domainoffensive.de
Admin Email (rname)
info@domains.resellerinterface.de
Serial
1706267460
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns2.domainoffensive.eu
ns1.domainoffensive.de
ns3.domainoffensive.net

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

✗ 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 -all
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