Live data โ DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: โก live
Checker: โก live
nadb.org
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-05-21 13:46:33 UTC ยท โบ Refresh
MX Hostnames
- nadb-org.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 199.60.103.173
- 199.60.103.73
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns71.worldnic.com
ns72.worldnic.com
SPF Record
โ Strict (-all)
v=spf1 ip4:12.162.157.98 include:spf.protection.outlook.com include:nadb-org.spf.smtp25.com include:48573272.spf02.hubspotemail.net -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
โ Reject โ strongest protection
๐ SPF alignment: Strict
ยท DKIM alignment: Strict
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- apple-domain-verification=6rv9aQEcMiCk9LbE
- duo_sso_verification=5O0GDrruLR1VOAsfOpa9o3AwSOTsDXRhgwmkB6pkrs5rHwLvh0gIGkah20O51zL6
- MS=ms29598772
- SPFv=spf1 ip4:12.162.157.98 include:spf.protection.outlook.com include:nadb-org.spf.smtp25.com include:48573272.spf02.hubspotemail.net -all
- iContact1128753
- duo_sso_verification=t15Mj0KemhkdwTen9EWF11qvunYtllp0n88nCh0nhDv63I3eCQ5phRFRnOFJslNz
- google-site-verification=wipt7NkSwdGjKFQjNoiweQaVfT5Og1FCk4t8AjBWD3Q
- MS=ms71934979
- DKIMv=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyJO0JfJ+Shz2HCJI5/ijoZ/gS6DrrkU3hxLhmmtlR7XxwAaxnvXyfrlKZjqW/gjXF05vmUZDBr/QAUvegn27SJjfqbiA31SIV7JD7YRvcUE6LA+F2O5lYsv1lhb8JmvaOxLI/iCorzQO9cDEJU9Vy4tl+kIqvjipf1YFUEjKXYFJemGEbQzsEJ8PztpIJF37lOTXSCv73G96M0v5gtnb9sEZEQXgURRzOQg1VzY72fL/KH/MMjoZpdWVSDg/DZsRSd77XC7NA683i+w6pY36dLBMBdZM3aZLg9gJBj0gzzXPhUePzHiLJgFfuOmIYOZ0se8X21uXw8dcq1TQVXZ8ywIDAQAB
- jBakerOezJ8ThwLgwoDaaA==
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 nadb.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits