cotnag.com

No Valid Email Server
Domain Lookup › cotnag.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cotnag.com
No
None
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 21:23:35 UTC · ↺ Refresh

MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

  • 23.227.38.65

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

sullivan.ns.cloudflare.com
cora.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

✗ Missing

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

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • ms-domain-verification=cac564e5-e2b4-428b-b827-99fa984f8d29
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