Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
codeauthority.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:01:56 UTC · ↺ Refresh
MX Hostnames
- codeauthority-com.mail.protection.outlook.com
MX Priorities
- codeauthority-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.22.224 (no PTR)
- 172.67.207.138 (no PTR)
- 2606:4700:3037::6815:16e0
- 2606:4700:3037::ac43:cf8a
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ivy.ns.cloudflare.com dns.cloudflare.com 2396380388 10000 2400 604800 1800
Primary NS (mname)
ivy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396380388
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ivy.ns.cloudflare.com
neil.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- d365mktkey=T4lVtllhQZmdju0l5qwXGthGajWpq4uvQNmpMdix3b4x
- SPFv=spf1 include:spf.protection.outlook.com -all
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