Domain Intelligence
Last Updated:
Gvt.com.br
Safe to Send
Gvt.com.br is operated by GVT (Global Village Telecom). The domain runs 1 mail exchange and SMTP is responsive, with all three authentication standards in force.
Safe to Send
RISK
10
/100
Low
Verify Mailbox
Verify @gvt.com.br emails
Live SMTP handshake against gvt.com.br 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
Disposable detection is the strongest I've tested. We were drowning in fake signups before integration. Fraudulent account creation dropped roughly 80% in the first 10 days. Risk score on the lookup pages helps our analysts triage faster too. Elena Reyes · Trust & Safety, Fintech
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 gvt.com.br 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
telefonica.in.tmes.trendmicro.com 18.208.22.77
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 inpre01.tmes.trendmicro.com ESMTP Trend Micro Email Security
Primary mail server accepted SMTP connection and returned a banner during the live audit.
gvt.com.br 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 ip4:200.155.17.33 a:telefonica.in.tmes.trendmicro.com include:spf.vivo.com.br -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.
Pass
SELECTORDetected via standard selectors
A DKIM signature was detected. Outbound mail from this domain can be cryptographically verified.
DMARC
Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject.
Reject
TXTv=DMARC1; p=reject; sp=reject; fo=1; pct=100; rua=mailto:dmarc@gvt.com.br; ruf=mailto:dmarc@gvt.com.br; rf=afrf
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.
gvt.com.br Domain Registration WHOIS · Nameservers · Registrar
Last UpdatedSeptember 2, 2025
ExpiresSeptember 1, 2027
Age26 years
TLD.br
Authoritative Nameservers (2)
- svuxsec1.gvt.com.br
- svuxsec2.gvt.com.br
Registrant
TELEFÔNICA BRASIL S.A
Technical Contact
GVT IT Suporte Servidores
itnetwork@gvt.com.br·BRAZIL
About this Domain
About gvt.com.br
gvt.com.br is the email domain for GVT (Global Village Telecom), a Brazilian telecommunications company that was acquired by Telefonica/Vivo in 2015. GVT provided broadband internet, TV, and phone services across Brazil. Legacy gvt.com.br email accounts continue to be maintained under Telefonica/Vivo infrastructure.
gvt.com.br supports SPF authentication through Telefonica/Vivo infrastructure. DKIM and DMARC configurations are maintained at standard levels. Proper authentication alignment is important for delivery to gvt.com.br mailboxes.
The gvt.com.br mail servers, managed by Vivo infrastructure, validate recipients at the SMTP level and apply anti-spam filtering including reputation scoring and content analysis.
For delivery to gvt.com.br, authenticate with SPF and DKIM, maintain clean lists, and comply with Brazil's LGPD data protection law. Vivo delivery practices generally apply to legacy GVT domains.
Other Domains Similar to gvt.com.br
Other isp email provider domains we've audited. Click any one to see its MX records, authentication, and risk score.
spark.co.nz
Spark New Zealand
ptd.net
PenTeleData
airtel.in
Bharti Airtel
swisscom.com
Swisscom
frontier.com
Frontier Communications
telenet.be
Telenet
sky.com
Sky Group
cablecom.ch
Cablecom
ciudad.com.ar
Ciudad Internet
eftel.com.au
Eftel
sannet.ne.jp
SANNET
swisscom.ch
Swisscom
nifty.com
Nifty Corporation
verizon.net
Verizon Communications
t-com.ne.jp
T-COM (TOKAI Communications)
telstra.com.au
Telstra
pipex.net
Pipex
biglobe.ne.jp
BIGLOBE
westnet.com.au
Westnet
ziggo.nl
Ziggo
More Email Verification Tools
Free single-address checks, bulk uploads, and APIs for plugging email verification into your own product.
Common Questions About gvt.com.br
Is gvt.com.br a disposable or temporary email provider?
No. gvt.com.br is not a disposable email provider. It is classified as ISP Email Provider operated by GVT (Global Village Telecom) and addresses on gvt.com.br are persistent rather than throwaway. Mail sent to a valid gvt.com.br mailbox reaches a real recipient.
How do I verify if a gvt.com.br email address is valid?
The fastest way to verify a gvt.com.br email address is to use our free email checker. Enter any @gvt.com.br mailbox at the top of this page and our system performs a real-time SMTP handshake against gvt.com.br'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 gvt.com.br email exists without sending a message?
Yes. Our real-time email verification API connects directly to gvt.com.br'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 gvt.com.br mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for gvt.com.br?
gvt.com.br currently publishes 1 mail exchange (MX) record. The primary MX is telefonica.in.tmes.trendmicro.com, which is the first server contacted when other mail systems try to deliver email to a gvt.com.br 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 gvt.com.br.
Does gvt.com.br use SPF, DKIM, and DMARC email authentication?
gvt.com.br enforces all three email authentication standards: SPF, DKIM, and DMARC (policy: reject). This is the gold-standard configuration. It means receivers can verify that mail claiming to come from @gvt.com.br is genuine, and gvt.com.br's DMARC policy of 'reject' instructs receivers how to handle messages that fail those checks.
Why do emails to gvt.com.br bounce or get blocked?
Bounces from gvt.com.br 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 gvt.com.br'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 gvt.com.br's receivers trust you.
How can I verify a large list of gvt.com.br email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of gvt.com.br addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, gvt.com.br 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 gvt.com.br email addresses?
Yes, with normal hygiene. gvt.com.br is a legitimate email service and signups from @gvt.com.br 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 gvt.com.br by default.
What email format does gvt.com.br use for usernames?
Most gvt.com.br mailboxes follow common patterns like first.last@gvt.com.br, firstinitiallast@gvt.com.br, or first@gvt.com.br, but the actual local-part rules depend on GVT (Global Village Telecom). The only reliable way to confirm whether a specific @gvt.com.br 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 gvt.com.br risk score calculated?
The 0-to-100 risk score for gvt.com.br 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 gvt.com.br score is recomputed on every audit so it always reflects the live state of the domain.
Is gvt.com.br a valid email domain?
Yes, gvt.com.br is a valid email domain originally operated by GVT (Global Village Telecom), now maintained by Telefonica/Vivo. Legacy email accounts remain active for existing Brazilian subscribers.
Is gvt.com.br a disposable or temporary email service?
No, gvt.com.br is not a disposable or temporary email service. It is a permanent ISP email domain with legacy accounts maintained by Vivo for former GVT broadband subscribers in Brazil.
What mail servers does gvt.com.br use?
gvt.com.br uses mail servers managed by Telefonica/Vivo infrastructure in Brazil. The MX records direct inbound email to Vivo-operated gateways for filtering and delivery to legacy GVT mailboxes.
Can I send marketing emails to gvt.com.br addresses?
You can send marketing emails to gvt.com.br addresses with valid opt-in consent. Authenticate with SPF and DKIM, comply with Brazil's LGPD, and provide clear unsubscribe mechanisms.
How do I verify a gvt.com.br email address?
You can verify a gvt.com.br email address using an email verification service that checks MX records and performs SMTP-level validation to confirm the mailbox is active.