usuarios.retecal.es

Valid Email Server
Domain Lookup › usuarios.retecal.es
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
usuarios.retecal.es
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-23 08:07:50 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

  • mx.usuarios.retecal.es

MX Priorities

No priority data.

A / AAAA Records

  • 62.42.230.28

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

dns02.ono.com
ha2.servicios.retecal.es
ha1.servicios.retecal.es
dns01.ono.com
dns03.ono.com

SPF Record

✓ Strict (-all)
v=spf1 a:spf1.ono.com a:spf2.ono.com a:spf3.ono.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

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

1 record
  • SPFv=spf1 a:spf1.ono.com a:spf2.ono.com a:spf3.ono.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 · Customize →
See demo & docs
Deep verification
Full email verification for usuarios.retecal.es

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

No credit card required
Get 1,000 Free Credits