Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leesdenhtx.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 05:29:18 UTC · ↺ Refresh
MX Hostnames
- leesdenhtx-com.mail.protection.outlook.com
MX Priorities
- leesdenhtx-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.144.31 (no PTR)
- 104.21.87.153 (no PTR)
- 2606:4700:3033::ac43:901f
- 2606:4700:3035::6815:5799
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
chelsea.ns.cloudflare.com dns.cloudflare.com 2397443223 10000 2400 604800 1800
Primary NS (mname)
chelsea.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397443223
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ray.ns.cloudflare.com
chelsea.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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms89103307
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