Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
prealizehealth.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 11:34:21 UTC · ↺ Refresh
MX Hostnames
- prealizehealth-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 160.153.0.47
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
pdns13.domaincontrol.com
pdns14.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:34.218.105.78 include:spf.protection.outlook.com include:spf.constantcontact.com include:amazonses.com include:6418470.spf02.hubspotemail.net include:spf.mandrillapp.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; adkim=s; fo=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
9 records- knowbe4-site-verification=c156b1ebc4551037a11fb2d63d2d2eb7
- 17js/kzaqMX/yh30UNWOYx+GmFMY1NFicDAqPDvpxlA=
- SPFv=spf1 ip4:34.218.105.78 include:spf.protection.outlook.com include:spf.constantcontact.com include:amazonses.com include:6418470.spf02.hubspotemail.net include:spf.mandrillapp.com -all
- atlassian-sending-domain-verification=364140d8-2755-4866-825c-abc623a11504
- cursor-domain-verification-sz0m55=8EsjSBvGG02UwApIMzKwNq6kl
- anthropic-domain-verification-4792jv=Gsm0sySH6p6HsdJMaMNZKWhdv
- atlassian-domain-verification=VxdZoAUCYJMKEUVEbG/fsGTE6ceM1/d6Sf6JRSbIO/nK0G7GKo7ZbZNMchGlRGd8
- apple-domain-verification=A2cInzRGJ4l8uH5y
- MS=ms85891613
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 prealizehealth.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits