Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
kosmoscement.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 08:05:06 UTC · ↺ Refresh
MX Hostnames
- mxa-00506101.gslb.pphosted.com
- mxb-00506101.gslb.pphosted.com
MX Priorities
No priority data.
A / AAAA Records
- 172.67.215.150
- 104.21.16.198
- 2606:4700:3031::ac43:d796
- 2606:4700:3033::6815:10c6
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
kip.ns.cloudflare.com
rosalie.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
7 records- wombat-verification=3KwxVCQV1HEp-aRXRTKKaZ5G0frhk
- 2YFV1BqbHoH0SfJjmwSIwmQiLY96FbMy0LxFe7+ESrPBr2uPQtTLIeOPOhPflztw2G+Ib6gP+tqCM7Ec0S7atA==
- YvP3b9ICZ/dcy/kwkzgYW2cum7sTkZ1fWhR0k++zoxEgliM5gBRo+KYnKbY/fvjoZqziTr9zbTq7ItarSU7VWQ==
- knowbe4-site-verification=ee596de5d80dc6c434f1addff498a19a
- npV+bsYJzV42hsR6MFyn5p3jjMPPQfE65LbCvJmAn70Zf7JjvD3u3PkhWx1ofq6mWTNW6R/UOe7ZzgNjCjBemA==
- smartsheet-site-validation=XoSuRwK_o-u6NfkrgFeWmmd8AlyHProQ
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
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 kosmoscement.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits