Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
prebel.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 16:32:40 UTC · ↺ Refresh
MX Hostnames
- prebel-com-co.mail.protection.outlook.com
MX Priorities
- prebel-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 181.50.179.6 ↩ dynamic-ip-1815001796.cable.net.co
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.prebel.com.co 2026032601 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@prebel.com.co
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver01.mi.com.co
nameserver03.mi.com.co
nameserver02.mi.com.co
nameserver04.mi.com.co
SPF Record
✓ Strict (-all)
v=spf1 ip4:181.50.179.0/28 ip4:190.217.101.152/29 include:spf.protection.outlook.com include:mail.zendesk.com include:47093157.spf07.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=84600; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- mqp904pcqkj70f1pu7r5tq102n
- 54dbf502fb1353464536b019cae948
- MS=ms49860740
- SPFv=spf1 ip4:181.50.179.0/28 ip4:190.217.101.152/29 include:spf.protection.outlook.com include:mail.zendesk.com include:47093157.spf07.hubspotemail.net -all
- docusign=1edaf4d9-e142-4551-96e5-432f48ae7e02
- 5com3tv8ol6cvfka6uuj5ibqek
- docusign=eee7925e-a297-491f-bc73-fa51372a4c38
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