Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dcx.ufpb.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 12:18:55 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
No A/AAAA records found.
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
- 172.253.115.27 ↩ bg-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:c06::1b ↩ bg-in-f27.1e100.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
ns.dcx.ufpb.br root.dcx.ufpb.br 2026012902 21600 3600 1296000 3600
Primary NS (mname)
ns.dcx.ufpb.br
Admin Email (rname)
root@dcx.ufpb.br
Serial
2026012902
Refresh
21600s
Retry
3600s
Expire
1296000s
Minimum TTL
3600s
Nameservers (NS)
ns2.ufpb.br
ns.ufpb.br
ns.dcx.ufpb.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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
3 records- google-site-verification=3VMeW21-nWH4Y2foX91Yr3dCgGGlEVwOf-tOBKV5OZs
- SPFv=spf1 include:_spf.google.com ~all
- MS=EBFF3B19A02C0AE9B1285A75A254E08B95586215
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 dcx.ufpb.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits