Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
unicarioca.edu.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:17:54 UTC · ↺ Refresh
MX Hostnames
- unicarioca-edu-br.mail.protection.outlook.com
MX Priorities
- unicarioca-edu-br.mail.protection.outlook.com: 0
A / AAAA Records
- 192.124.249.27 ↩ cloudproxy10027.sucuri.net
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
cooper.unicarioca.edu.br supinfra\@unicarioca.edu.br 2611202501 1800 900 604800 1200
Primary NS (mname)
cooper.unicarioca.edu.br
Admin Email (rname)
supinfra\@unicarioca@edu.br
Serial
2611202501
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
1200s
Nameservers (NS)
amarok.unicarioca.edu.br
cooper.unicarioca.edu.br
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.elasticemail.com include:emailsrvr.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; aspf=r;adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- SPFv=spf1 a mx include:_spf.elasticemail.com include:emailsrvr.com include:spf.protection.outlook.com -all
- MS=ms78694392
- cqvnsjfdovrrql8dbuv60vrofn
- 707ec86e-3141-4800-86b6-b9da4d75932e
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 unicarioca.edu.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits