upp.edu.mx

Valid Email Server
Domain Lookup › upp.edu.mx

Domain Overview

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

Checked via [email protected] · 2026-04-02 14:35:13 UTC · ↺ Refresh

MX Hostnames

  • ALT2.ASPMX.L.GOOGLE.COM
  • ASPMX.L.GOOGLE.COM
  • ALT1.ASPMX.L.GOOGLE.COM
  • ASPMX2.GOOGLEMAIL.COM
  • ASPMX3.GOOGLEMAIL.COM

MX Priorities

  • alt2.aspmx.l.google.com: 20
  • aspmx3.googlemail.com: 30
  • aspmx.l.google.com: 10
  • aspmx2.googlemail.com: 30
  • alt1.aspmx.l.google.com: 20

A / AAAA Records

  • 200.79.182.193 (no PTR)

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 64.233.180.27 ↩ pe-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns1.upp.edu.mx admin.upp.edu.mx 2026020801 604800 86400 2419200 604800
Primary NS (mname)
ns1.upp.edu.mx
Admin Email (rname)
admin@upp.edu.mx
Serial
2026020801
Refresh
604800s
Retry
86400s
Expire
2419200s
Minimum TTL
604800s

Nameservers (NS)

ns1.upp.edu.mx

SPF Record

✓ Strict (-all)
v=spf1 mx include:aspmx.googlemail.com -all
📊 DNS lookups: 2/10
✓ 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=AB8-HT4-2GX
  • google-site-verification=Kyr-YLfSwpKkErlQZO1R75g1w9YC6BHg8rUgGHmZvk0
  • SPFv=spf1 mx include:aspmx.googlemail.com -all
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