Domain Intelligence
Last Updated:
Telecentro.com.ar
Safe to Send
Telecentro.com.ar is operated by Telecentro. The domain runs 1 mail exchange and SMTP is responsive, with 2 of 3 authentication standards in place.
Safe to Send
RISK
27
/100
Low
Verify Mailbox
Verify @telecentro.com.ar emails
Live SMTP handshake against telecentro.com.ar mail servers. No email is sent. 10 free per day, no signup.
Trusted by 400,000+ senders
4.9/5
From 8,500+ verified reviews
The risk score saves my team probably an hour a day in manual prospect research. We sort outreach lists by it and skip anything in the high-risk band. Bounce rate is the lowest it's ever been. Lisa Fonseca · SDR Team Lead
SOC 2 Type II
GDPR
CCPA
99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
Yes
Mail server responds to SMTP handshake
MX Records
1
Mail exchangers
Mail Exchange (MX) Records for telecentro.com.ar Mail Exchange records. They tell other mail servers which hosts are responsible for receiving email at this domain, in priority order. Lower priority numbers are tried first.
#10
mail2.telecentro.com.ar 190.55.60.145
Reachable
SMTP Handshake
Simple Mail Transfer Protocol. We open a live SMTP connection to the primary MX and read the greeting banner. A response confirms the mail server is alive and accepting connections.
Responsive
BANNER220-mail2.telecentro.com.ar ESMTP Postfix
Primary mail server accepted SMTP connection and returned a banner during the live audit.
telecentro.com.ar Email Authentication SPF · DKIM · DMARC
SPF
Sender Policy Framework. A DNS record listing which servers are allowed to send mail for this domain. Receivers reject or flag mail from unauthorized servers.
Pass
TXTv=spf1 a mx include:spf.protection.outlook.com include:spf.masterbase.com ip4:190.55.60.144/29 ip4:190.55.63.37/32 ~all
Authorized senders are defined and pass SPF policy.
DKIM
DomainKeys Identified Mail. The sending server cryptographically signs outbound mail with a private key, and receivers verify the signature using a public key in DNS.
Missing
No DKIM signature detected on common selectors for telecentro.com.ar.
No DKIM signature was detected. Receivers cannot verify the integrity of outbound mail.
DMARC
Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject.
None
TXTv=DMARC1; p=none;rua=mailto:dmarc@masterbase.com; aspf=r; sp=none
Monitoring only. Receivers take no action when SPF or DKIM fails.
telecentro.com.ar Domain Registration WHOIS · Nameservers · Registrar
RegistrarTELECENTRO S A
RegisteredSeptember 30, 1996
Last UpdatedSeptember 2, 2025
ExpiresSeptember 30, 2026
Age29 years
TLD.ar
Authoritative Nameservers (3)
- ns3.telecentro.net.ar
- ns2.telecentro.net.ar
- ns1.telecentro.net.ar
About this Domain
About telecentro.com.ar
telecentro.com.ar is the email domain for Telecentro, an Argentine cable and internet service provider. Telecentro is one of the major cable operators in Buenos Aires, providing broadband internet, cable TV, and phone services. Email accounts on telecentro.com.ar are provided to Telecentro broadband subscribers.
telecentro.com.ar supports SPF records for sender authentication. DKIM and DMARC configurations follow standard Argentine ISP practices.
The telecentro.com.ar mail servers validate recipients at the SMTP level and apply anti-spam filtering.
For delivery to telecentro.com.ar, authenticate with SPF and DKIM, maintain clean lists, and comply with Argentine data protection law (Ley 25.326).
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Common Questions About telecentro.com.ar
Is telecentro.com.ar a disposable or temporary email provider?
No. telecentro.com.ar is not a disposable email provider. It is classified as ISP Email Provider operated by Telecentro and addresses on telecentro.com.ar are persistent rather than throwaway. Mail sent to a valid telecentro.com.ar mailbox reaches a real recipient.
How do I verify if a telecentro.com.ar email address is valid?
The fastest way to verify a telecentro.com.ar email address is to use our free email checker. Enter any @telecentro.com.ar mailbox at the top of this page and our system performs a real-time SMTP handshake against telecentro.com.ar's mail servers, confirming whether the mailbox exists, is reachable, and is safe to send to. No email is ever delivered during the check.
Can I check if a telecentro.com.ar email exists without sending a message?
Yes. Our real-time email verification API connects directly to telecentro.com.ar's mail server, opens an SMTP session, and queries the mailbox using the RCPT TO command without ever transmitting an actual email. The server's response confirms whether the telecentro.com.ar mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for telecentro.com.ar?
telecentro.com.ar currently publishes 1 mail exchange (MX) record. The primary MX is mail2.telecentro.com.ar, which is the first server contacted when other mail systems try to deliver email to a telecentro.com.ar address. The full list with priorities and IP addresses is in the MX Records panel above. MX records tell sending servers where to route email for telecentro.com.ar.
Does telecentro.com.ar use SPF, DKIM, and DMARC email authentication?
telecentro.com.ar has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: none). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate telecentro.com.ar mail.
Why do emails to telecentro.com.ar bounce or get blocked?
Bounces from telecentro.com.ar usually fall into three buckets: the mailbox doesn't exist (5xx user unknown), the inbox is full, or your sending domain isn't authenticated to telecentro.com.ar's satisfaction. The fastest fix is to run each address through a free email verifier before you send, and to make sure your own SPF, DKIM, and DMARC are configured correctly so telecentro.com.ar's receivers trust you.
How can I verify a large list of telecentro.com.ar email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of telecentro.com.ar addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, telecentro.com.ar catch-all detection, role-account detection, and disposable-domain matching. Results typically come back within minutes and previously-failed addresses on your blacklist are reprocessed for free. For continuous high-volume needs, see our unlimited email verification API.
Is it safe to accept signups from telecentro.com.ar email addresses?
Yes, with normal hygiene. telecentro.com.ar is a legitimate email service and signups from @telecentro.com.ar behave like any other real user. Pipe each address through a real-time email verifier API at the moment of signup to catch typos and dead mailboxes, but there is no need to block telecentro.com.ar by default.
What email format does telecentro.com.ar use for usernames?
Most telecentro.com.ar mailboxes follow common patterns like first.last@telecentro.com.ar, firstinitiallast@telecentro.com.ar, or first@telecentro.com.ar, but the actual local-part rules depend on Telecentro. The only reliable way to confirm whether a specific @telecentro.com.ar address exists is to run it through a free email verification tool. Guessing patterns will produce a high bounce rate and damage your sender reputation.
How is the telecentro.com.ar risk score calculated?
The 0-to-100 risk score for telecentro.com.ar combines disposable-domain classification, mail-server reachability, MX record presence and depth, SPF / DKIM / DMARC enforcement, DMARC policy strength, SMTP banner response, and domain age. Lower scores mean safer to send to. Disposable domains are pinned at the high end of the scale. The telecentro.com.ar score is recomputed on every audit so it always reflects the live state of the domain.
Is telecentro.com.ar a valid email domain?
Yes, telecentro.com.ar is a valid email domain operated by Telecentro, one of Buenos Aires' major cable and internet providers.
Is telecentro.com.ar a disposable or temporary email service?
No, telecentro.com.ar is not a disposable or temporary email service. It is a permanent ISP email domain provided by Telecentro to its cable internet customers in Argentina.
What mail servers does telecentro.com.ar use?
telecentro.com.ar uses mail servers managed by Telecentro infrastructure. The MX records direct inbound email to their gateways for filtering and delivery.
Can I send marketing emails to telecentro.com.ar addresses?
You can send marketing emails to telecentro.com.ar addresses with valid opt-in consent. Authenticate with SPF and DKIM, comply with Argentine data protection regulations, and provide unsubscribe options.
How do I verify a telecentro.com.ar email address?
You can verify a telecentro.com.ar email address using an email verification service that checks MX records and performs SMTP-level validation to confirm the mailbox is active.