cualtos.udg.mx

Valid Email Server
Domain Lookup › cualtos.udg.mx

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cualtos.udg.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 01:28:53 UTC · ↺ Refresh

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MX Hostnames

  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt4.aspmx.l.google.com: 10
  • alt3.aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 5
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 148.202.248.18

Mail Server IPs

  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA d.ns.udg.mx jaime.noc.udg.mx 68 10800 3600 2419200 900
Primary NS (mname)
d.ns.udg.mx
Admin Email (rname)
jaime@noc.udg.mx
Serial
68
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

d.ns.udg.mx
u.ns.udg.mx
g.ns.udg.mx

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • google-site-verification=JnGv9mFNnMQJll82Xx91Xm2yI87n4-HdtQ2pxeyvKP0
  • SPFv=spf1 include:_spf.google.com ~all
  • cisco-ci-domain-verification=5db48730bf824e49312d4f6ff9cc564fddc10bbdfdde651429e9684c5e9822a4
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