gdm-schuette.de

Valid Email Server
Domain Lookup › gdm-schuette.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gdm-schuette.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 11:11:45 UTC · ↺ Refresh

MX Hostnames

  • mx3.mas.t-systems-service.com
  • mx1.mas.t-systems-service.com
  • mx2.mas.t-systems-service.com

MX Priorities

  • mx2.mas.t-systems-service.com: 20
  • mx1.mas.t-systems-service.com: 10
  • mx3.mas.t-systems-service.com: 30

A / AAAA Records

  • 92.205.106.183 ↩ 183.106.205.92.host.secureserver.net

Mail Server IPs

  • 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
  • 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com
  • 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
  • 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
  • 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com

SOA Record

Raw SOA srv03.grosys.de noreply.secureserver.net 1741709531 10800 3600 604800 10800
Primary NS (mname)
srv03.grosys.de
Admin Email (rname)
noreply@secureserver.net
Serial
1741709531
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

srv03.grosys.de
ns01.grosysnet.de

SPF Record

✓ Strict (-all)
v=spf1 a mx a:spf.mas.t-systems-service.com a:dd36614.kasserver.com a:w014e4a8.kasserver.com mx:mail.ccmailer.de ip4:80.228.82.171 include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ 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

2 records
  • MS=ms22856659
  • SPFv=spf1 a mx a:spf.mas.t-systems-service.com a:dd36614.kasserver.com a:w014e4a8.kasserver.com mx:mail.ccmailer.de ip4:80.228.82.171 include:spf.protection.outlook.com -all
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