Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
7mcolombia.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 15:01:34 UTC · ↺ Refresh
MX Hostnames
- 7mcolombia-co.mail.protection.outlook.com
MX Priorities
- 7mcolombia-co.mail.protection.outlook.com: 0
A / AAAA Records
- 192.99.84.55 ↩ sibyl.dongee.com
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dongee.com dariocortes.hotmail.com 2026021601 3600 7200 1209600 86400
Primary NS (mname)
ns1.dongee.com
Admin Email (rname)
dariocortes@hotmail.com
Serial
2026021601
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.dongee.com
ns3.dongee.com
ns1.dongee.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:192.99.84.55 +ip4:212.129.16.52 +ip4:190.8.176.219 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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: 216 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 +a +mx +ip4:192.99.84.55 +ip4:212.129.16.52 +ip4:190.8.176.219 +include:spf.protection.outlook.com -all
- MS=ms73427030
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