dennishernandez.com

Valid Email Server
Domain Lookup › dennishernandez.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
dennishernandez.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-10 03:48:02 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • d53637b.ess.barracudanetworks.com
  • d53637a.ess.barracudanetworks.com

MX Priorities

  • d53637b.ess.barracudanetworks.com: 20
  • d53637a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 104.17.15.101 (no PTR)

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com

SOA Record

No SOA record found.

Nameservers (NS)

ns40.worldnic.com
ns39.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:mail.zendesk.com include:psm.knowbe4.com include:spf.protection.outlook.com include:servers.mcsv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 9 found
google._domainkey
selector1._domainkey
default._domainkey
mail._domainkey
k1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • apple-domain-verification=mAOlH8qNR3PuXx07lgcW0vtQDlLvlURzckk5fKr1rY
  • 3332d9883ac2c0ea56d1b1de1c6a0ada
  • wpe-verification=dennish
  • SPFv=spf1 include:spf.ess.barracudanetworks.com include:mail.zendesk.com include:psm.knowbe4.com include:spf.protection.outlook.com include:servers.mcsv.net -all
  • duo_sso_verification=nRKiEdqm74I2aa12Cm6Jiix7egn1vENg7SseZYM5Mq6APmYe0vJzyDcv9nvDX8rT
  • MS=ms31194483
  • pinterest-site-verification=94867e290d4d56b62d789761799c4ea1
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 dennishernandez.com

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

No credit card required
Get 1,000 Free Credits