Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
unimonte.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 08:31:25 UTC · ↺ Refresh
MX Hostnames
- unimonte-br.mail.protection.outlook.com
MX Priorities
- unimonte-br.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.213.188 (no PTR)
- 104.21.86.11 (no PTR)
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1643.awsdns-13.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1643.awsdns-13.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1256.awsdns-29.org
ns-1643.awsdns-13.co.uk
ns-402.awsdns-50.com
ns-540.awsdns-03.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:201.62.252.28 ip4:164.152.36.137 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
6 records- 9wYhl9IS7o61pL75lGDuB+wwYRik1e0UhxSJNHS34V0Cd1AP4hjPq0Az+SsZh7rdRNEHzS4bT1IlIh9v708xgg==
- MS=ms89831731
- google-site-verification=UXolDvXEDq4kyw9VfCySaHpzb4aEzvbxLCvPYAXltlo
- h4t7u4crf4vfgriumb7uihbkeo
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:201.62.252.28 ip4:164.152.36.137 -all
- workplace-domain-verification=lHY7dRnvpeTSiX9wAcBmXMQ40WgzEr
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 unimonte.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits