denk-engineering.de

Valid Email Server
Domain Lookup › denk-engineering.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
denk-engineering.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 12:16:43 UTC · ↺ Refresh

MX Hostnames

  • denkengineering-de01b.mail.protection.outlook.com

MX Priorities

  • denkengineering-de01b.mail.protection.outlook.com: 20

A / AAAA Records

  • 81.169.145.163 ↩ wa3.rzone.de
  • 2a01:238:20a:202:1163:: ↩ wa3.rzone.de

Mail Server IPs

  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA docks04.rzone.de hostmaster.strato-rz.de 2020050611 86400 7200 604800 300
Primary NS (mname)
docks04.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050611
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades16.rzone.de
docks04.rzone.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

Full email verification for denk-engineering.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits