Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
upc.edu.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 03:00:25 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- upc.edu.mx
- aspmx3.googlemail.com
- aspmx.l.google.com
- aspmx2.googlemail.com
- alt1.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
- upc.edu.mx: 25
- aspmx2.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 0
A / AAAA Records
- 192.185.46.51 ↩ 192-185-46-51.unifiedlayer.com
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.185.46.51 ↩ 192-185-46-51.unifiedlayer.com
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns8235.hostgator.com dnsadmin.gator4118.hostgator.com 2026032200 86400 7200 3600000 86400
Primary NS (mname)
ns8235.hostgator.com
Admin Email (rname)
dnsadmin@gator4118.hostgator.com
Serial
2026032200
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns8236.hostgator.com
ns8235.hostgator.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 include:_spf.google.com ~all
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 upc.edu.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits