Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
usc.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 02:28:07 UTC · ↺ Refresh
MX Hostnames
- usc-com-co.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 199.34.228.46
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
nameserver04.mi.com.co
nameserver01.mi.com.co
nameserver03.mi.com.co
nameserver02.mi.com.co
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms65029518
- _9hhvkltjt3nhdefheppf71zowanue67
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms92912613
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