instelec.com.co

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
instelec.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 10:25:04 UTC · ↺ Refresh

MX Hostnames

  • instelec-com-co.mail.protection.outlook.com

MX Priorities

  • instelec-com-co.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.77.97.202 (no PTR)
  • 195.200.9.247 (no PTR)
  • 2a02:4780:34:4404:a528:cb94:e61a:cbe
  • 2a02:4780:26:2a4d:867d:e0eb:32ac:9925

Mail Server IPs

  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.hostinger.co dns.hostinger.com 2019020805 28800 7200 604800 86400
Primary NS (mname)
ns1.hostinger.co
Admin Email (rname)
dns@hostinger.com
Serial
2019020805
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns4.hostinger.co
ns1.hostinger.co
ns3.hostinger.co
ns2.hostinger.co

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms99877091
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