Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cloud-doctor.io
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 07:37:50 UTC · ↺ Refresh
MX Hostnames
- clouddoctor-io01c.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 167.235.108.138
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
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; rua=mailto:[email protected],mailto:[email protected]; pct=90
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 90% of failing messages only
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- DMARCv=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms11191273
- brevo-code:f9f316e8ef0ea5fb1ccabade69fddf36
- google-site-verification=A-SWUbycPHeiuGnqkT3U2lKRnt_oNkUjO3OPwM9PeGM
- google-site-verification=MzaRGUBjI1s5Yoiw3swpjSay1zFY8iYkDTFET7fHdwk
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 cloud-doctor.io
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits