Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
irwincontractinginc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-22 07:21:49 UTC · ↺ Refresh
MX Hostnames
- irwincontractinginc-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 172.67.159.185
- 104.21.9.91
- 2606:4700:3030::ac43:9fb9
- 2606:4700:3033::6815:95b
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
aria.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- v=verifydomain MS=4081916
- SPFv=spf1 include:spf.protection.outlook.com -all
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