claro.com.br - Email Domain Verification & Deliverability Report

Active ISP Email Provider
Organization: Claro Brasil
Mail Server: iphmx.com
Verified 5 days ago

Real-time verification data for claro.com.br. View MX records, SPF/DKIM/DMARC authentication, and server deliverability status.

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MX Records for claro.com.br

PriorityMail ServerIP Address
10 mx1.hc6114-44.iphmx.com 139.138.33.124
10 mx2.hc6114-44.iphmx.com 139.138.33.124
SMTP Status: Responding
SMTP Banner:
220 esa.hc6114-44.iphmx.com ESMTP

claro.com.br uses iphmx.com mail servers, which means emails are processed through iphmx.com infrastructure with their built-in spam filtering and security controls.

Email Authentication for claro.com.br

SPF Record Pass

v=spf1 ip4:200.169.119.0/24 ip4:200.169.117.16/32 ip4:200.169.117.17/32 ip4:200.169.120.0/23 ip4:200.169.122.0/23 ip4:200.169.112.0/24 ip4:200.245.6.128/25 ip4:200.252.18.0/24 ip4:201.20.12.62/32 ip4:177.52.131.96/32 ip4:200.255.220.0/24 include:spf.protection.outlook.com -all
Authorized Senders:
spf.protection.outlook.com

SPF (Sender Policy Framework) specifies which mail servers are authorized to send email on behalf of claro.com.br.

DMARC Record Reject

v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:claro-brasil@rua.dmp.cisco.com; ruf=mailto:claro-brasil@ruf.dmp.cisco.com

DMARC (Domain-based Message Authentication) tells receiving servers what to do with emails that fail authentication checks.

DKIM Found

DKIM signatures were detected for claro.com.br, confirming that this domain cryptographically signs outgoing emails.

Authentication Summary: claro.com.br has full email authentication configured with SPF, DMARC, and DKIM. This provides strong protection against email spoofing and phishing. Emails sent from this domain are well-authenticated and likely to have high deliverability.

WHOIS & Domain Information

Registration Details

Domain
claro.com.br
TLD
.br
Updated
2024-12-17
Expires
2026-12-14
Domain Age
27 years

Registrar

Registrant Contact

Name
Claro S/A

Technical Contact

Name
CLaro - Voz/Dados

Name Servers

  • ns01.claro.net.br
  • ns02.claro.net.br
  • ns03.claro.net.br
  • ns04.claro.net.br

About claro.com.br

claro.com.br is a Brazilian ISP domain from Claro Brasil, one of Brazil's largest telecommunications companies and part of America Movil. Claro provides mobile, broadband, and TV services across Brazil.

claro.com.br implements SPF authentication. The service complies with Brazil's LGPD data protection law.

The claro.com.br mail servers validate recipients and reject invalid addresses. The domain does not operate as catch-all.

For delivery to claro.com.br, authenticate with SPF. Comply with LGPD for commercial messages.

How to Verify claro.com.br Email Addresses

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Verify claro.com.br Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates claro.com.br email addresses at the point of entry, blocking invalid, disposable, and risky addresses before they enter your database. Integrate with a single API call and prevent bad data at the source.

Frequently Asked Questions

Yes, claro.com.br is a valid email domain provided by Claro Brasil to its internet subscribers. It is a legitimate ISP-issued email address.
No, claro.com.br is not a disposable or temporary email provider. It is an ISP-provided email service tied to an internet subscription from Claro Brasil.
claro.com.br uses mail servers operated by Claro Brasil. Check the MX records section above for specific server details and authentication configuration.
Yes, you can send marketing emails to claro.com.br addresses with proper opt-in consent. ISP email providers apply spam filtering, and addresses may become inactive if subscribers cancel their internet service. Regular list verification is recommended.
Use BulkEmailChecker to verify claro.com.br addresses via SMTP checks. ISP domains may have specific rate limiting or greylisting behaviors. Our tool handles these provider-specific configurations automatically.
The fastest and most accurate way to verify a claro.com.br email address is to use BulkEmailChecker's free email verification tool. Simply enter the full email address and our system performs SMTP-level validation by connecting directly to claro.com.br's mail servers. You'll get instant results showing whether the mailbox exists, is deliverable, and is safe to send to, all without sending a single email.
Yes. BulkEmailChecker uses SMTP verification to check if a claro.com.br mailbox exists without ever delivering an email. Our system connects to the domain's mail server, performs an SMTP handshake, and queries the mail server to confirm whether the recipient address is valid. This process is completely invisible to the email recipient and does not affect your sender reputation.
Sending to invalid email addresses causes hard bounces, which directly damage your sender reputation. Internet Service Providers (ISPs) and email providers track your bounce rate, and if it exceeds 2%, your emails may start landing in spam folders or get blocked entirely. Verifying claro.com.br addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.
BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of claro.com.br email addresses and verify them all at once. Each address goes through 30+ verification checks including syntax validation, DNS/MX lookup, SMTP verification, disposable domain detection, and spam trap identification. Results are typically ready within minutes and can be downloaded as a clean, verified list.
Email verification is the process of confirming that an email address is real, properly formatted, and capable of receiving messages. It matters because sending to invalid addresses causes bounces, damages your sender reputation, wastes marketing budget, and can get your sending IP blacklisted. BulkEmailChecker verifies addresses at the SMTP level, the most accurate method available, ensuring your emails reach real people.
MX (Mail Exchange) records are DNS entries that specify which mail servers are responsible for receiving email for a domain. When you send an email, your mail server looks up the recipient domain's MX records to find where to deliver the message. If a domain has no MX records, it cannot receive email. BulkEmailChecker checks MX records as part of every verification to confirm the domain is configured for email delivery.
A catch-all (or accept-all) domain is configured to accept email sent to any address at that domain, regardless of whether the specific mailbox exists. This makes it harder to verify individual addresses because the server always responds positively. BulkEmailChecker detects catch-all configurations and flags them in verification results so you can make informed decisions about sending to those addresses.
Yes. BulkEmailChecker offers a real-time email verification API that you can integrate into signup forms, CRM systems, lead capture tools, and any application that collects email addresses. The API validates addresses at the point of entry, blocking invalid, disposable, and risky emails before they enter your database. Integration takes just a single API call with response times under 3 seconds.

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