mct.com.co

Valid Email Server
Domain Lookup › mct.com.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mct.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 11:15:57 UTC · ↺ Refresh

MX Hostnames

  • mct-com-co.mail.protection.outlook.com

MX Priorities

  • mct-com-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 186.154.214.54 ↩ static-186-154-214-54.static.etb.net.co

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1761.awsdns-28.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1761.awsdns-28.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1761.awsdns-28.co.uk
ns-339.awsdns-42.com
ns-571.awsdns-07.net
ns-1406.awsdns-47.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:186.154.208.139 ip4:190.144.109.98 ip4:186.154.208.138 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

✓ 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
  • MS=ms42081702
  • p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt79fABBhSVB31V/z+TBrBcDsIIG+i2o6vqcNa64LgrMKUnwJfaCrSJRPEIT3e1hTbO1QdqX2Qn+r0qlrqar8fpTSKNAOvhtqXix9TyekpFqr7pVxRIJ5RjrkUuVBspe4x4p4zDbaq9BX3A18NuyvKGsaqPXVqtXE+AXNyE6pd35NEm1EmiYIGFYWzVAnkmKFeQK60722qakDLV
  • SPFv=spf1 ip4:186.154.208.139 ip4:190.144.109.98 ip4:186.154.208.138 include:spf.protection.outlook.com -all
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