d-t-gmbh.de

Valid Email Server
Domain Lookup › d-t-gmbh.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
d-t-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 18:00:38 UTC · ↺ Refresh

MX Hostnames

  • dtgmbh-de0k.mail.protection.outlook.com

MX Priorities

  • dtgmbh-de0k.mail.protection.outlook.com: 10

A / AAAA Records

  • 5.44.111.182 ↩ web154.alfahosting-server.de

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com

SOA Record

Raw SOA cns1.alfahosting.info hostmaster\@alfahosting.de 2026011606 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster\@alfahosting@de
Serial
2026011606
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

cns1.alfahosting.info
cns3.alfahosting.info
cns2.alfahosting.info

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:89.63.14.90 ip4:210.13.119.154 ip4:78.94.62.36 ip4:212.16.228.182 include:spf.protection.outlook.com a:vellern.schrader.aero a:ellinghaus.schrader.aero include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all
📊 DNS lookups: 6/10
✓ 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

5 records
  • SPFv=spf1 mx ip4:89.63.14.90 ip4:210.13.119.154 ip4:78.94.62.36 ip4:212.16.228.182 include:spf.protection.outlook.com a:vellern.schrader.aero a:ellinghaus.schrader.aero include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all
  • 16jds2ms9gpj0jv27frj2xw8l3mjkw65
  • 4vb7gv4cfybbmsldb0c54sb59v3p2nxg
  • vGci/Y+vssa5BNB/oes0hVAK2irWhrG5vJI7CodXsV7twEZYORKBS0dfTefDmVgS7Ye1LmvCwHg1FIEtnXbYIA==
  • qs5p0690kgbfjzvv9g2lbjl4h2m2xsms
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