flexsim.com.mx

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
flexsim.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 07:38:11 UTC · ↺ Refresh

MX Hostnames

  • flexsim-com-mx.mail.protection.outlook.com

MX Priorities

  • flexsim-com-mx.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.173.16 (no PTR)
  • 104.21.80.16 (no PTR)
  • 2606:4700:3036::ac43:ad10
  • 2606:4700:3033::6815:5010

Mail Server IPs

  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA dahlia.ns.cloudflare.com dns.cloudflare.com 2398621395 10000 2400 604800 1800
Primary NS (mname)
dahlia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398621395
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jermaine.ns.cloudflare.com
dahlia.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:transmail.net ~all include:spf.protection.outlook.com -all include:zcsend.net ~all include:spf.zoho.com include:transmail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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:transmail.net ~all include:spf.protection.outlook.com -all include:zcsend.net ~all include:spf.zoho.com include:transmail.net ~all
  • mscid=fk2ldC5KNs7b4mjEH0vgB+iUcQER2e9R/ysDnkG7nkFe3WgV7/QGvX8ZRaR3wkVxhbTqn/L5UAgb/4O0fvAWvg==
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for flexsim.com.mx

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits