Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
icubosolutions.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 03:34:18 UTC · ↺ Refresh
MX Hostnames
- icubosolutions-com.mail.protection.outlook.com
MX Priorities
- icubosolutions-com.mail.protection.outlook.com: 0
A / AAAA Records
- 190.8.176.55 ↩ quelal.colombiahosting.com.co
Mail Server IPs
- 52.101.60.191 ↩ mail-bn0pr05cu00107.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.60.176 ↩ mail-bn0pr04cu00900.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:f908::3 ↩ mail-bn3pr02cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c803::b ↩ mail-bn3pr0301cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.colombiahosting.com alexander.colombiahosting.com.co 2026022611 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
alexander@colombiahosting.com.co
Serial
2026022611
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.colombiahosting.com
ns2.colombiahosting.com
ns1.colombiahosting.com
ns4.colombiahosting.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:190.8.176.55 +ip4:190.8.176.19 +include:_spf.colhost.com +include:spf.protection.outlook.com +include:md02.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 +a +mx +ip4:190.8.176.55 +ip4:190.8.176.19 +include:_spf.colhost.com +include:spf.protection.outlook.com +include:md02.com -all
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