wcao.net

Valid Email Server
Domain Lookup › wcao.net

Domain Overview

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

Checked via [email protected] · 2026-03-24 04:09:28 UTC · ↺ Refresh

MX Hostnames

  • wcao-net.mail.protection.outlook.com

MX Priorities

  • wcao-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.18.85 (no PTR)
  • 172.67.181.128 (no PTR)
  • 2606:4700:3032::ac43:b580
  • 2606:4700:3034::6815:1255

Mail Server IPs

  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA andy.ns.cloudflare.com dns.cloudflare.com 2399679331 10000 2400 604800 1800
Primary NS (mname)
andy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399679331
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

betty.ns.cloudflare.com
andy.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:64.140.26.254 ip4:64.140.26.230 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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • SPFv=spf1 ip4:64.140.26.254 ip4:64.140.26.230 include:spf.protection.outlook.com -all
  • H+K1jhR+BPYOhJRTctnTAiqbu8Px+VeFvOlqjFcVM2S/h50XtfxTTBqtp1A3i7iJbBAOn/V/JhM6bJ7/69ID4g==
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