Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
crusa.cr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 20:52:38 UTC · ↺ Refresh
MX Hostnames
- crusa-cr.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 104.26.6.28
- 104.26.7.28
- 172.67.68.160
- 2606:4700:20::681a:71c
- 2606:4700:20::ac43:44a0
- 2606:4700:20::681a:61c
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
jeff.ns.cloudflare.com
elisabeth.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:50.87.253.167 ip4:173.254.94.137 include:spf.protection.outlook.com include:_spf.elasticemail.com include:_spf.salesforce.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 a mx ip4:50.87.253.167 ip4:173.254.94.137 include:spf.protection.outlook.com include:_spf.elasticemail.com include:_spf.salesforce.com -all
- google-site-verification=8wesFlMld4mmOvaVI29hUNFL1jNzt1LrgqNXhkSR_5g
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