suinsa.es

Valid Email Server
Domain Lookup › suinsa.es

Domain Overview

DNS: ✓ just now Checker: ✓ just now
suinsa.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 11:45:11 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

  • suinsa-es.mail.protection.outlook.com

MX Priorities

  • suinsa-es.mail.protection.outlook.com: 10

A / AAAA Records

  • 154.56.135.111 ↩ dns135111.phdns18.es

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
  • 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c967::c ↩ mail-cpjpr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::8 ↩ mail-matpr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dns37.servidoresdns.net hostmaster.servidoresdns.net 2017090858 21600 3600 2419200 300
Primary NS (mname)
dns37.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2017090858
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

dns37.servidoresdns.net
dns38.servidoresdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

2 records
  • MS=ms21159938
  • SPFv=spf1 include:spf.protection.outlook.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 suinsa.es

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

No credit card required
Get 1,000 Free Credits