cortech.de

Valid Email Server
Domain Lookup › cortech.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cortech.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 17:28:10 UTC · ↺ Refresh

MX Hostnames

  • cortech-de.mail.protection.outlook.com

MX Priorities

  • cortech-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.189 ↩ 217-160-0-189.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2ce ↩ 2001-08d8-100f-f000-0000-0000-0000-02ce.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns1036.ui-dns.com hostmaster.kundenserver.de 2017050549 28800 7200 604800 300
Primary NS (mname)
ns1036.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017050549
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1036.ui-dns.de
ns1036.ui-dns.org
ns1036.ui-dns.com
ns1036.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

4 records
  • v=verifydomain MS=1854044
  • apple-domain-verification=JbG86SWM4HzKdCKf
  • J4qAM5hrTZ39IProNH8fhGBPy3has4sQkFk+Ro53yFvBLWRujvGjRm3zt/g8NnyQzyQ/loHHjMVzyKsLl/xCVQ==
  • SPFv=spf1 include:spf.protection.outlook.com ~all
Full email verification for cortech.de

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