denkwerk.com

Valid Email Server
Domain Lookup › denkwerk.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
denkwerk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 10:31:07 UTC · ↺ Refresh

MX Hostnames

  • denkwerk-com.mail.protection.outlook.com

MX Priorities

  • denkwerk-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 3.70.113.112 ↩ ec2-3-70-113-112.eu-central-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns.dus.denkwerk.com hostmaster.denkwerk.com 2026030501 10800 3600 1209600 3600
Primary NS (mname)
ns.dus.denkwerk.com
Admin Email (rname)
hostmaster@denkwerk.com
Serial
2026030501
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns.ffm.denkwerk.com
ns.koeln.denkwerk.com
ns.dus.denkwerk.com

SPF Record

✓ Strict (-all)
v=spf1 mx a:mailgun.denkwerk.com ip4:213.168.86.44 ip4:213.168.86.17 a:mail.denkwerk.com include:spf.crsend.com include:spf.protection.outlook.com include:6096366.spf07.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 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

7 records
  • apple-domain-verification=PeMgPLWbMUaWCGue
  • miro-verification=456445b376e55aa16ca3b42860aad392872d6e24
  • SPFv=spf1 mx a:mailgun.denkwerk.com ip4:213.168.86.44 ip4:213.168.86.17 a:mail.denkwerk.com include:spf.crsend.com include:spf.protection.outlook.com include:6096366.spf07.hubspotemail.net -all
  • jetbrains-domain-verification=7npvsjn0mp8sdkqc2i5su1xiu
  • google-site-verification=0jOi-sBR7H7knllQGhnv7gdkszve-T54QBAO0v3PwN4
  • google-gws-recovery-domain-verification=63341969
  • MS=ms68196450
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