Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colacteos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 05:39:49 UTC · ↺ Refresh
MX Hostnames
- colacteos-com.mail.protection.outlook.com
MX Priorities
- colacteos-com.mail.protection.outlook.com: 0
A / AAAA Records
- 72.9.144.169 ↩ 72.9.144.169.static.tailormadeservers.com
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.fastgolbalserver.com hostmaster.colacteos.com 2025120400 3600 3600 1209600 86400
Primary NS (mname)
ns5.fastgolbalserver.com
Admin Email (rname)
hostmaster@colacteos.com
Serial
2025120400
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns5.fastgolbalserver.com
ns6.fastglobalserver.com
SPF Record
✓ Strict (-all)
v=spf1 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
✓ 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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