ctm-com.de

Valid Email Server
Domain Lookup › ctm-com.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ctm-com.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 09:35:18 UTC · ↺ Refresh

MX Hostnames

  • ctmcom-de0i.mail.protection.outlook.com

MX Priorities

  • ctmcom-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 89.63.34.217 (no PTR)

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns47.domaincontrol.com dns.jomax.net 2026031708 28800 7200 604800 600
Primary NS (mname)
ns47.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031708
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns47.domaincontrol.com
ns48.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.server-he.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com a:mail.preeco.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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 mx include:spf.server-he.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com a:mail.preeco.de -all
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