Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preveo.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 02:02:38 UTC · ↺ Refresh
MX Hostnames
- preveo-com-co.mail.protection.outlook.com
MX Priorities
- preveo-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 23.111.164.98 ↩ helium.redexpertos.com
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.redexpertos.com.co soporte.redexpertos.com 2026013101 3600 1800 1209600 86400
Primary NS (mname)
ns1.redexpertos.com.co
Admin Email (rname)
soporte@redexpertos.com
Serial
2026013101
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.redexpertos.com.co
ns1.redexpertos.com.co
SPF Record
✓ Strict (-all)
v=spf1 ip4:23.111.164.98 +include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
3 records- SPFv=spf1 ip4:23.111.164.98 +include:spf.protection.outlook.com -all
- MS=3C2434AFC7BEFEBB0CC3ABE06652D73640799034
- MS=ms39015850
Full email verification for preveo.com.co
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