ssti.es

Valid Email Server

Domain Overview

DNS: ✓ 13h ago Checker: ✓ 13h ago
ssti.es
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 17:16:46 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

  • mx04.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx03.hornetsecurity.com

MX Priorities

  • mx03.hornetsecurity.com: 30
  • mx02.hornetsecurity.com: 20
  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10

A / AAAA Records

  • 37.153.89.148 ↩ mercurio05.nubeser.com

Mail Server IPs

  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com

SOA Record

Raw SOA dns1.servidoresdns.net hostmaster.servidoresdns.net 2014072386 21600 3600 2419200 86400
Primary NS (mname)
dns1.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2014072386
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

dns2.servidoresdns.net
dns1.servidoresdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.hornetsecurity.com include:_spf.serviciodecorreo.es include:spf.protection.outlook.com include:spf.ipzmarketing.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • MS=ms66405390
  • MS=92708C4BEE15E0F39359EE22BECA3A356740062A
  • SPFv=spf1 include:spf.hornetsecurity.com include:_spf.serviciodecorreo.es include:spf.protection.outlook.com include:spf.ipzmarketing.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 ssti.es

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

No credit card required
Get 1,000 Free Credits