cosdel.com

Valid Email Server
Domain Lookup › cosdel.com

Domain Overview

DNS: ✓ just now Checker: ✓ just now
cosdel.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 05:01:38 UTC · ↺ Refresh

MX Hostnames

  • cosdel-com.mail.protection.outlook.com

MX Priorities

  • cosdel-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.21.80 (no PTR)
  • 172.67.197.12 (no PTR)
  • 2606:4700:3032::ac43:c50c
  • 2606:4700:3033::6815:1550

Mail Server IPs

  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com

SOA Record

Raw SOA kristina.ns.cloudflare.com dns.cloudflare.com 2402299721 10000 2400 604800 1800
Primary NS (mname)
kristina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2402299721
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kyle.ns.cloudflare.com
kristina.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.titanhq.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100
⚠ 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
  • box-domain-verification=766f676a23c9c4e62bb494af026cdb4061d60f8a4651673a6f3fa5c00a5cd730
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.titanhq.com ~all
  • 1password-site-verification=LISEWF4VTJAQ3MM2LIWTS4RVVE
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