contronics.com

Valid Email Server
Domain Lookup › contronics.com

Domain Overview

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

Checked via [email protected] · 2026-03-27 00:19:58 UTC · ↺ Refresh

MX Hostnames

  • contronics-com.mail.protection.outlook.com

MX Priorities

  • contronics-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.24.146 (no PTR)
  • 172.67.219.64 (no PTR)
  • 2606:4700:3037::6815:1892
  • 2606:4700:3036::ac43:db40

Mail Server IPs

  • 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
  • 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com

SOA Record

Raw SOA mack.ns.cloudflare.com dns.cloudflare.com 2398551451 10000 2400 604800 1800
Primary NS (mname)
mack.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398551451
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sloan.ns.cloudflare.com
mack.ns.cloudflare.com

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

3 records
  • MS=ms22594546
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=4EBFE88FCB011DE4DC27A9206D346992A94E3FCF
Full email verification for contronics.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits