Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
lobster.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 10:06:36 UTC · ↺ Refresh
MX Hostnames
- lobster-es.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 185.239.72.51
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns160.gibtelecom.net
ns2.f5clouddns.com
ns1.f5clouddns.com
ns90.gibtelecom.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
5 records- google-site-verification=b3Hiwx4Jyy7PJ2wMgkBAqp2cTUPX0qEzpRAkZnknw3k
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=IHfVqtFCa1XmlOFl7kllhOPtj9L3ux3iPpP5emYKqOk
- knowbe4-site-verification=fb2f84fb140b927b31285d3b9a5bbc6a
- MS=ms37941956
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 lobster.es
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits