testroom.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-22 03:13:16 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.28.76.88 (no PTR)

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns03.contentfleet.net admin.contentfleet.com 2020082608 360 360 8640 30
Primary NS (mname)
ns03.contentfleet.net
Admin Email (rname)
admin@contentfleet.com
Serial
2020082608
Refresh
360s
Retry
360s
Expire
8640s
Minimum TTL
30s

Nameservers (NS)

ns03.contentfleet.net
ns04.contentfleet.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mandrillapp.com include:_spf.google.com include:spf.protection.outlook.com ip4:185.28.76.0/22 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • SPFv=spf1 include:spf.mandrillapp.com include:_spf.google.com include:spf.protection.outlook.com ip4:185.28.76.0/22 -all
  • google-site-verification=AFqzOH7t0q0_PCUIEP8tO62tBRKm64iruTxu_HgPfck
  • MS=ms32096072
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