Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
btob.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 10:18:44 UTC · ↺ Refresh
MX Hostnames
- btob-es.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 185.195.97.67
- 216.198.79.1
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns2.cuentadns.com
ns3.cuentadns.com
ns1.cuentadns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:one.zoho.eu include:eu.zcsend.net include:_spf.google.com include:spf.protection.outlook.com -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
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- zoho-verification=zb47638130.zmverify.zoho.eu
- SPFv=spf1 include:spf.mailjet.com include:one.zoho.eu include:eu.zcsend.net include:_spf.google.com include:spf.protection.outlook.com -all
- MS=ms92350023
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
See demo & docs
Deep verification
Full email verification for btob.es
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits