up.mx

Valid Email Server
Domain Lookup › up.mx

Domain Overview

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

Checked via [email protected] · 2026-03-29 13:17:51 UTC · ↺ Refresh

MX Hostnames

  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx.l.google.com
  • aspmx4.googlemail.com
  • aspmx5.googlemail.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • alt2.aspmx.l.google.com: 5
  • alt1.aspmx.l.google.com: 5
  • aspmx3.googlemail.com: 10
  • aspmx5.googlemail.com: 10
  • aspmx4.googlemail.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 142.250.31.26 ↩ bj-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA gdl1.academic.mixcoac.upmx.mx acueto.up.edu.mx 2020042750 3600 600 604800 3600
Primary NS (mname)
gdl1.academic.mixcoac.upmx.mx
Admin Email (rname)
acueto@up.edu.mx
Serial
2020042750
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

gdl2.up.mx
mex2.up.mx
ags1.up.mx
mex1.up.mx
gdl1.up.mx

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

5 records
  • 1qo77oi1mtilk55viq2uitu1bu
  • 82urdtj7fub8473hlb979bao48
  • iauf8ut4t1k6l7cagqphec7jqa
  • no976mfap1ubljrq4mee2pc79r
  • hvfnkrs5o3v0v2nlt4u6k60f8p
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