durespo.com.co

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
durespo.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 23:21:23 UTC · ↺ Refresh

MX Hostnames

  • durespo-com-co.mail.protection.outlook.com

MX Priorities

  • durespo-com-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.53.177 (no PTR)
  • 172.67.216.23 (no PTR)
  • 2606:4700:3036::6815:35b1
  • 2606:4700:3036::ac43:d817

Mail Server IPs

  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA duke.ns.cloudflare.com dns.cloudflare.com 2398055362 10000 2400 604800 1800
Primary NS (mname)
duke.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398055362
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

leah.ns.cloudflare.com
duke.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:181.49.122.206 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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
  • _qhc44d1meuovvz4ugph110saev0u02w
  • SPFv=spf1 ip4:181.49.122.206 include:spf.protection.outlook.com -all
  • MS=ms83839048
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