cossma.org

Valid Email Server
Domain Lookup › cossma.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cossma.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-24 01:04:58 UTC · ↺ Refresh

MX Hostnames

  • cossma-org.mail.protection.outlook.com

MX Priorities

  • cossma-org.mail.protection.outlook.com: 5

A / AAAA Records

  • 192.124.249.159 ↩ cloudproxy10159.sucuri.net

Mail Server IPs

  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.namecheaphosting.com cpanel.tech.namecheap.com 1754508524 86400 7200 3600000 86400
Primary NS (mname)
dns1.namecheaphosting.com
Admin Email (rname)
cpanel@tech.namecheap.com
Serial
1754508524
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

dns2.namecheaphosting.com
dns1.namecheaphosting.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:192.64.117.51 ip4:192.64.117.56 include:spf.web-hosting.com +a +mx +ip4:192.64.117.62 +ip4:192.64.117.61 +include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 ip4:192.64.117.51 ip4:192.64.117.56 include:spf.web-hosting.com +a +mx +ip4:192.64.117.62 +ip4:192.64.117.61 +include:spf.protection.outlook.com -all
  • google-site-verification=irAX30V89LThZ3MJju1wP-GGOrTcag47DfrL415r4JE
Full email verification for cossma.org

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