Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sistemmax.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 16:44:42 UTC · ↺ Refresh
MX Hostnames
- sistemmax-com.mail.protection.outlook.com
MX Priorities
- sistemmax-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.215.114.254 ↩ 254.114.215.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.stabletransit.com dominios.alianzac.mx 1701980213 3600 300 1814400 300
Primary NS (mname)
dns1.stabletransit.com
Admin Email (rname)
dominios@alianzac.mx
Serial
1701980213
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
dns2.stabletransit.com
dns1.stabletransit.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- google-site-verification=CxSaBncLEczbJwXS6W96e8pzILOPJc-EfJsXF4WpW_Q
- MS=2B005CD845AEF0E34C64DEDF120F2DEE1DA90E63
- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all
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