udb.edu.sv

Valid Email Server
Domain Lookup › udb.edu.sv

Domain Overview

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

Checked via [email protected] · 2026-03-24 14:49:32 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx2.googlemail.com

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns.udb.edu.sv hostmaster.udb.edu.sv 20281028 3600 1800 604800 86400
Primary NS (mname)
ns.udb.edu.sv
Admin Email (rname)
hostmaster@udb.edu.sv
Serial
20281028
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

b.ns.buddyns.com
d.ns.buddyns.com
ns.udb.edu.sv

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

✗ 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

4 records
  • SPFv=spf1 include:_spf.google.com ~all
  • adobe-idp-site-verification=d00e8bd9855d7cad0fed14cc599bd27adf5721fc3eac7fd8885182297e5017d5
  • hx4x0c6hw3jdhz8s8pj2vrr37v2018kk
  • rhv8kzs6kz6xxf69cm8ckc085b11wtyw
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 · Customize →
See demo & docs
Deep verification
Full email verification for udb.edu.sv

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits