gdsinfo.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gdsinfo.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 03:10:16 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • gdsinfo-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 159.69.230.104 ↩ static.104.230.69.159.clients.your-server.de

Mail Server IPs

  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA nsa9.schlundtech.de gds.gdsinfo.de 2025092302 43200 7200 1209600 600
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
gds@gdsinfo.de
Serial
2025092302
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

nsb9.schlundtech.de
nsd9.schlundtech.de
nsc9.schlundtech.de
nsa9.schlundtech.de

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.gds-hosting.net include:spf-de.emailsignatures365.com -all
  • gds-core-rzstatus-web.azurewebsites.net
  • QNSPzpGtgFYCIhLbu9DaFUrtBNyzNiLrt/+hqJBXcNKaRk7BMdsHa9UdDQMn66As9MhaDW5IgB2JEKavb5+iug==
  • atlassian-domain-verification=ej262JGaRGGMEzKafEIumIZGgWBpYiu9ZNwc19K6GaxlqlsQde3VtkT7ZfPNnJKx
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