uth.edu.mx

Valid Email Server
Domain Lookup › uth.edu.mx

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uth.edu.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 21:20:46 UTC · ↺ Refresh

MX Hostnames

  • SMTP.GOOGLE.COM

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 187.143.134.213 ↩ ide-213-134-143-187-static.uninet-ide.com.mx

Mail Server IPs

  • 172.253.62.27 ↩ bc-in-f27.1e100.net
  • 172.253.62.26 ↩ bc-in-f26.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 64.233.180.27 ↩ on-in-f27.1e100.net
  • 64.233.180.26 ↩ pe-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
  • 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net

SOA Record

Raw SOA ns1.uth.edu.mx willy.suarez07.gmail.com 2025060416 1800 600 604800 3600
Primary NS (mname)
ns1.uth.edu.mx
Admin Email (rname)
willy@suarez07.gmail.com
Serial
2025060416
Refresh
1800s
Retry
600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.uth.edu.mx
ns1.google.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:201.131.203.146 include:_spf.google.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

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

4 records
  • 10/07/21
  • MS=ms58561931
  • google-site-verification=gCDp018jBEY2zmyPIuRwZVaaN10V_DaaMuGiZ4Sp_GA
  • SPFv=spf1 ip4:201.131.203.146 include:_spf.google.com -all
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