Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
felixswimschools.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-22 00:58:48 UTC · ↺ Refresh
MX Hostnames
- felixswimschools-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 172.67.194.72
- 104.21.68.107
- 2606:4700:3035::6815:446b
- 2606:4700:3030::ac43:c248
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ophelia.ns.cloudflare.com
keaton.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:54.39.224.40 include:spf.protection.outlook.com include:secureserver.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
dkim._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
4 records- SPFv=spf1 ip4:54.39.224.40 include:spf.protection.outlook.com include:secureserver.net -all
- v=verifydomain MS=8573953
- _04eddbss3sfigxounyimwk07cdbchpi
- _nbvb4fkojqwssh6clzo8311yayg9uic
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 felixswimschools.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits