Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
unique.com.do
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-01 18:27:17 UTC · ↺ Refresh
MX Hostnames
- unique-com-do.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 107.180.3.29 ↩ 29.3.180.107.host.secureserver.net
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
dns4.midominio.do licencias.unique.com.do 2025062601 7200 7200 172800 38400
Primary NS (mname)
dns4.midominio.do
Admin Email (rname)
licencias@unique.com.do
Serial
2025062601
Refresh
7200s
Retry
7200s
Expire
172800s
Minimum TTL
38400s
Nameservers (NS)
dns2.midominio.do
dns4.midominio.do
dns3.midominio.do
dns1.midominio.do
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=r; pct=10; rua=mailto:[email protected]; fo=0
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — 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- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms89274853
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 · Customize →
See demo & docs
Deep verification
Full email verification for unique.com.do
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits