Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
usjt.br
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-31 08:16:52 UTC ยท โบ Refresh
MX Hostnames
- usjt-br.mail.protection.outlook.com
MX Priorities
- usjt-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.24.236 (no PTR)
- 104.18.25.236 (no PTR)
Mail Server IPs
- 52.101.40.2 โฉ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.11.10 โฉ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.11.2 โฉ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.9.24 โฉ mail-bl2pr02cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-360.awsdns-45.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-360.awsdns-45.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1743.awsdns-25.co.uk
ns-360.awsdns-45.com
ns-635.awsdns-15.net
ns-1303.awsdns-34.org
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:201.62.252.28 ip4:164.152.36.137 -all
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โ Public key: 392 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
6 records- google-site-verification=hJzSzjjWv3wLLN2T-G90FINpluDru8UGgFj9V3etPnc
- google-site-verification=owZpOqBNATFOtnunhsEDjEXy2rOeS5t5Duz5ofjRsYw
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:201.62.252.28 ip4:164.152.36.137 -all
- amazonses:jnkynl0Om3G5onzh7z/HKNbgY/Yoe1wHhF++rgF6VbA=
- facebook-domain-verification=kg075suykwa50njg1iwpxzdzh1twi1
- google-site-verification=Jl86ns55w_KoYoBeb3rJom6fx5jdpNTLnrhsmrP4sQ0
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 usjt.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits