Live data โ DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: โก live
Checker: โก live
m.knck.io
Yes
โ Yes
Mailgun
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-24 06:54:48 UTC ยท โบ Refresh
MX Hostnames
- mxb.mailgun.org
- mxa.mailgun.org
MX Priorities
- mxa.mailgun.org: 10
- mxb.mailgun.org: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 34.160.63.108 โฉ 108.63.160.34.bc.googleusercontent.com
- 34.149.236.64 โฉ 64.236.149.34.bc.googleusercontent.com
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
โ Strict (-all)
v=spf1 include:klaviyomail.com include:sendgrid.net include:mailgun.org -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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- google-site-verification=MTPhZxxwbQltVJoozqNaxBWsmxVegduJuh36D9AUO2g
- SPFv=spf1 include:klaviyomail.com include:sendgrid.net include:mailgun.org -all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for m.knck.io
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits