Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
terrenocerto.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:26:59 UTC · ↺ Refresh
MX Hostnames
- mx.a.locaweb.com.br
- mx.jk.locaweb.com.br
- mx.b.locaweb.com.br
- mx.core.locaweb.com.br
MX Priorities
- mx.b.locaweb.com.br: 20
- mx.jk.locaweb.com.br: 20
- mx.core.locaweb.com.br: 10
- mx.a.locaweb.com.br: 20
A / AAAA Records
- 177.234.159.44 ↩ web008.ibrcloud.com.br
Mail Server IPs
- 177.153.23.242 ↩ mx.b.locaweb.com.br
- 200.234.204.130 ↩ mx.jk.locaweb.com.br
- 177.153.23.241 ↩ mx.core.locaweb.com.br
- 186.202.4.42 ↩ mx.a.locaweb.com.br
SOA Record
Raw SOA
houston.ns.cloudflare.com dns.cloudflare.com 2398498276 10000 2400 604800 1800
Primary NS (mname)
houston.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398498276
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
irena.ns.cloudflare.com
houston.ns.cloudflare.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
No TXT records found.
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 terrenocerto.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits