Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
operbus.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 06:17:27 UTC · ↺ Refresh
MX Hostnames
- operbus-com-mx.mail.protection.outlook.com
MX Priorities
- operbus-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 199.101.51.238 ↩ intelligenza.com.mx
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.sohocomputing.mx alvarosantillana.gmail.com 2026032700 3600 1800 1209600 86400
Primary NS (mname)
ns1.sohocomputing.mx
Admin Email (rname)
alvarosantillana@gmail.com
Serial
2026032700
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.sohocomputing.mx
ns2.sohocomputing.mx
SPF Record
✓ Strict (-all)
v=spf1 ip4:198.46.134.7 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
2 records- MS=ms64869584
- SPFv=spf1 ip4:198.46.134.7 include:spf.protection.outlook.com -all
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