similcuero.com.mx

Valid Email Server
Domain Lookup › similcuero.com.mx

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
similcuero.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 01:10:00 UTC · ↺ Refresh

MX Hostnames

  • similcuero-com-mx.mail.protection.outlook.com

MX Priorities

  • similcuero-com-mx.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mysecurecloudhost.com rcastro.similcuero.com.mx 2026012703 3600 3600 3600 3600
Primary NS (mname)
ns1.mysecurecloudhost.com
Admin Email (rname)
rcastro@similcuero.com.mx
Serial
2026012703
Refresh
3600s
Retry
3600s
Expire
3600s
Minimum TTL
3600s

Nameservers (NS)

ns2.mysecurecloudhost.com
ns1.mysecurecloudhost.com
ns3.mysecurecloudhost.com
ns4.mysecurecloudhost.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No 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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