Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pucpr.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 11:10:46 UTC · ↺ Refresh
MX Hostnames
- pucpr-br.mail.protection.outlook.com
MX Priorities
- pucpr-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.10.132 (no PTR)
- 104.18.11.132 (no PTR)
- 2606:4700::6812:b84
- 2606:4700::6812:a84
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
alice.ns.cloudflare.com dns.cloudflare.com 2399521071 10000 2400 604800 1800
Primary NS (mname)
alice.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399521071
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
guss.ns.cloudflare.com
alice.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf0.pucpr.br -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=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: 392 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
11 records- SPFv=spf1 include:spf0.pucpr.br -all
- 4w02y6jw5d7dzkz66vfjf4dpzr9sp8cr
- amazonses:qR9t41SDyar2l2zT9YAQt3n7aVmjShPzu6KKNEZz6zI=
- apple-domain-verification=l2gzowxuJR3w7C13
- google-site-verification=pk9Adv8BiMeI1BpCSkDVX6iWd_ryzlN5OEaWVFvxgqk
- google-site-verification=qxiz0_JdsW9DH03Dfo-ijKjp7AtVglKwvU7a4hyPkU4
- have-i-been-pwned-verification=5e2c2a890cdb081999beec8b151d6947
- hgkbjjlj3cu6c2oa8mfmutan80
- preprojeto2.azurewebsites.net
- tinfoil-site-verification: c457e0ccb8d6d7f1fad4503a27830efec7b97ce9=9e3e952fa4a8feb280ac49afa4262a212999cec1
- tjfkecadoegq3m3frvnuol86e5
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 pucpr.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits