Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cosi.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 13:50:14 UTC · ↺ Refresh
MX Hostnames
- cosi-com-mx.mail.protection.outlook.com
- mail.cosi.com.mx
MX Priorities
- mail.cosi.com.mx: 1
- cosi-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 162.241.203.100 ↩ 162-241-203-100.unifiedlayer.com
Mail Server IPs
- 162.241.203.100 ↩ 162-241-203-100.unifiedlayer.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns66.hostgator.mx root.mx66.hostgator.mx 2026031823 86400 7200 3600000 86400
Primary NS (mname)
ns66.hostgator.mx
Admin Email (rname)
root@mx66.hostgator.mx
Serial
2026031823
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns67.hostgator.mx
ns66.hostgator.mx
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
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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