usinauniversitaria.com.br

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
usinauniversitaria.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 17:25:30 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 88.223.87.137 ↩ 88-223-87-137.init.lt
  • 145.223.124.198
  • 2a02:4780:4d:2f39:733e:7c92:8fc8:816a
  • 2a02:4780:4a:6f7a:7dd1:5231:52a7:f39

Mail Server IPs

  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
  • 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net

SOA Record

Raw SOA ns1.dns-parking.com dns.hostinger.com 2026052101 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026052101
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.dns-parking.com
ns2.dns-parking.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.mail.hostinger.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=90; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 90% of failing messages only

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:_spf.mail.hostinger.com ~all
  • SPFv=spf1 include:_spf.google.com -all
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 usinauniversitaria.com.br

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits