Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
combinedratio.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 09:55:59 UTC · ↺ Refresh
MX Hostnames
- combinedratio-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 67.225.176.94
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns57.domaincontrol.com
ns58.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.serverxhost.com include:spf.protection.outlook.com include:51150701.spf03.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- ca8rr3lv58mau6qqrsi6tlflrk
- uvqtq7qg3o1om27cvj742odato
- MS=ms69873592
- SPFv=spf1 include:spf.serverxhost.com include:spf.protection.outlook.com include:51150701.spf03.hubspotemail.net -all
- anthropic-domain-verification-nzbvh1=0njz7Y2fIVq9WVpB6sJ91GQyO
- 776m26mcpdsc8ncj430ni006k5
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 combinedratio.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits