Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
techrea.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 10:29:33 UTC · ↺ Refresh
MX Hostnames
- TECHREA-COM.mail.eo.outlook.com
MX Priorities
- techrea-com.mail.eo.outlook.com: 0
A / AAAA Records
- 190.8.176.175 ↩ elias.colombiahosting.com.co
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.colombiahosting.com sysadmin.colombiahosting.com.co 2026022600 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
sysadmin@colombiahosting.com.co
Serial
2026022600
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.colombiahosting.com
ns4.colombiahosting.com
ns1.colombiahosting.com
ns2.colombiahosting.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:190.8.176.175 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- SPFv=spf1 ip4:190.8.176.175 include:spf.protection.outlook.com -all
- MS=F0009976283EB5E5A500FAFDE8FBB47B8F9F6B0A
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