sti.com.mx

Valid Email Server
Domain Lookup › sti.com.mx

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sti.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 22:34:14 UTC · ↺ Refresh

MX Hostnames

  • mx3.globalpc.net
  • mx1.globalpc.net
  • mx2.globalpc.net
  • mail.sti.com.mx

MX Priorities

  • mx2.globalpc.net: 20
  • mx3.globalpc.net: 10
  • mail.sti.com.mx: 5
  • mx1.globalpc.net: 30

A / AAAA Records

  • 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com

Mail Server IPs

  • 216.251.95.99 ↩ mx2.globalpc.net
  • 216.251.95.100 ↩ mx3.globalpc.net
  • 216.251.89.235 ↩ mail.sti.com.mx
  • 216.251.95.98 ↩ mx1.globalpc.net

SOA Record

Raw SOA ns1.globalpc.net hostmaster.globalpc.net 2026031701 43200 3600 1209600 3600
Primary NS (mname)
ns1.globalpc.net
Admin Email (rname)
hostmaster@globalpc.net
Serial
2026031701
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.globalpc.net
ns1.globalpc.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:216.251.89.234 ip4:216.251.89.235 ip4:65.71.5.10 -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

✗ 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 mx ip4:216.251.89.234 ip4:216.251.89.235 ip4:65.71.5.10 -all
  • cisco-ci-domain-verification=44bdcee4fd5fdf27425ae78b734386368cb5eebf634ee189b03423ee2652d86a
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 sti.com.mx

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

No credit card required
Get 1,000 Free Credits