Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
redmtendo.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 02:15:37 UTC · ↺ Refresh
MX Hostnames
- redmtendo-com.mail.protection.outlook.com
MX Priorities
- redmtendo-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.24.238 (no PTR)
- 172.67.221.9 (no PTR)
- 2606:4700:3030::6815:18ee
- 2606:4700:3030::ac43:dd09
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
jerome.ns.cloudflare.com dns.cloudflare.com 2396423936 10000 2400 604800 1800
Primary NS (mname)
jerome.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396423936
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mona.ns.cloudflare.com
jerome.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
3 records- ca3-52705a473b5043b0b0480af129c2a673
- ca3-b2fed5ce716743819184a40b769f1a6f
- SPFv=spf1 include:spf.protection.outlook.com -all
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