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
✗ MissingNo 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
Full email verification for testroom.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits