Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tdm.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 10:37:08 UTC · ↺ Refresh
MX Hostnames
- tdm-com-co.mail.protection.outlook.com
MX Priorities
- tdm-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 4.156.36.189 (no PTR)
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.tdm.com.co 2025042203 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@tdm.com.co
Serial
2025042203
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver03.mi.com.co
nameserver04.mi.com.co
nameserver01.mi.com.co
nameserver02.mi.com.co
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- n5n5036etrf7v8q4shd8nckdag.
- 79fgodkprbrmnmi53a31j4u5n3
- SPFv=spf1 include:spf.protection.outlook.com -all
- qr73dsur991d9m3a7f7s4i5udv
- google-site-verification=urdOaQ2IMmBMMZOA9vQ_E3FptkWhfdjn64iUTDMPfMg
- 5sa0v2o2hdrsn2hh1f1vandh2r
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