fibertel.com.ar - Email Domain Verification & Deliverability Report

Active ISP Email Provider
Organization: Fibertel (Cablevision)
Mail Server: com.ar
Verified 5 days ago

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

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MX Records for fibertel.com.ar

PriorityMail ServerIP Address
5 mx1.fibertel.com.ar 181.30.137.5
SMTP Status: Responding
SMTP Banner:
220-avasmx01-slo1.int.fibertel.com.ar ESMTP

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

Email Authentication for fibertel.com.ar

SPF Record Pass

v=spf1 ip4:190.216.57.112/28 ip4:24.232.0.0/24 mx ~all

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

DMARC Record Missing

No DMARC record found for this domain.

DKIM Found

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

Authentication Summary: fibertel.com.ar has SPF and DKIM configured. This provides good protection against email spoofing. Senders can expect reliable email delivery to this domain.

WHOIS & Domain Information

Registration Details

Domain
fibertel.com.ar
TLD
.ar
Created
2007-03-01
Updated
2025-03-10
Expires
2026-03-31
Domain Age
18 years

Registrar

Name
TELECOM ARGENTINA SOCIEDAD ANONIMA

Name Servers

  • dns3.cvtci.com.ar
  • dns4.cvtci.com.ar
  • dns1.cvtci.com.ar
  • dns2.cvtci.com.ar
  • 24.232.0.17/32
  • 24.232.0.18/32

About fibertel.com.ar

fibertel.com.ar is the email domain for Fibertel, Argentina's largest cable internet service provider. Fibertel is operated by Telecom Argentina (formerly Cablevision) and provides broadband internet and email services to millions of Argentine households, making fibertel.com.ar one of the most widely used ISP email domains in Argentina.

fibertel.com.ar supports SPF, DKIM, and DMARC authentication through Telecom Argentina infrastructure. Senders should ensure full authentication alignment for reliable delivery to fibertel.com.ar inboxes given its large user base.

The fibertel.com.ar mail servers validate recipients at the SMTP level and apply comprehensive anti-spam filtering including reputation scoring, content analysis, and rate limiting for high-volume senders.

For delivery to fibertel.com.ar, authenticate with SPF and DKIM, maintain clean lists, and comply with Argentine data protection law (Ley 25.326). Given Fibertel's massive subscriber base, list hygiene and engagement metrics are critical for inbox placement.

How to Verify fibertel.com.ar Email Addresses

Need to check if an email address at fibertel.com.ar actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to fibertel.com.ar's mail servers to confirm the mailbox is real, active, and able to receive your message. No test email is ever sent, so your sender reputation stays protected.

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Use BulkEmailChecker's free email verification tool to instantly validate any fibertel.com.ar address. You'll get a complete deliverability report including mailbox existence, catch-all detection, disposable domain flagging, and risk scoring, all in under 3 seconds.

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Have a mailing list full of fibertel.com.ar addresses? Upload your CSV or TXT file to BulkEmailChecker and verify thousands of email addresses in minutes. Our bulk verification engine runs 30+ checks per address including syntax validation, DNS resolution, SMTP handshake, and spam trap detection. Clean your list before every campaign to keep bounce rates below 2% and protect your sender score. See bulk pricing.

Verify fibertel.com.ar Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates fibertel.com.ar 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, fibertel.com.ar is a valid email domain operated by Fibertel (Telecom Argentina), Argentina's largest cable internet provider serving millions of households.
No, fibertel.com.ar is not a disposable or temporary email service. It is a permanent ISP email domain provided by Fibertel to its cable internet customers across Argentina.
fibertel.com.ar uses mail servers managed by Telecom Argentina infrastructure. The MX records direct inbound email to their gateways for filtering and delivery to subscriber mailboxes.
You can send marketing emails to fibertel.com.ar addresses with valid opt-in consent. Authenticate with SPF and DKIM, comply with Argentine data protection regulations, and provide clear unsubscribe options.
You can verify a fibertel.com.ar email address using an email verification service that checks MX records and performs SMTP-level validation to confirm the mailbox is active and deliverable.
The fastest and most accurate way to verify a fibertel.com.ar 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 fibertel.com.ar'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 fibertel.com.ar 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 fibertel.com.ar 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 fibertel.com.ar 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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