Domain Intelligence
Last Updated:

Ntl.com

Safe to Send

Ntl.com is operated by Virgin Media UK. The domain runs 4 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.

Safe to Send
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Live SMTP handshake against ntl.com mail servers. No email is sent. 10 free per day, no signup.

@ntl.com
No email sent No signup Real-time SMTP

Trusted by 400,000+ senders

4.9/5
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Plugged the realtime API into our signup form on a Saturday afternoon. Caught 14 disposable domains in the first hour. Setup was honestly easier than the docs implied. Marcus Tanaka · Co-founder, B2B SaaS
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
4
Mail exchangers

Mail Exchange (MX) Records for ntl.com 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.

4 RECORDS
#10
primary.emea.email.fireeyecloud.com 3.123.5.7
Reachable
#20
alt1.emea.email.fireeyecloud.com 63.34.218.7
Reachable
#30
alt2.emea.email.fireeyecloud.com 3.123.5.6
Reachable
#40
alt3.emea.email.fireeyecloud.com 63.34.218.6
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 2.0.0 mx.emea.email.fireeyecloud.com ESMTP
Primary mail server accepted SMTP connection and returned a banner during the live audit.

ntl.com Email Authentication SPF · DKIM · DMARC

2/3 PASS
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 include:_smtprelay.virginmedia.co.uk include:_internal.virginmedia.co.uk include:_spf.fireeyecloud.com ~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 ntl.com.
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. Quarantine
TXTv=DMARC1; p=quarantine; sp=reject; rua=mailto:jn2qdxcl@ag.eu.dmarcadvisor.com; ruf=mailto:jn2qdxcl@fr.eu.dmarcadvisor.com,mailto:dmarcdailyreport@virginmedia.co.uk;
Receivers are instructed to quarantine (route to spam) any mail that fails SPF or DKIM.

ntl.com Domain Registration WHOIS · Nameservers · Registrar

28 YEARS OLD
RegistrarNetwork Solutions, LLC
IANA ID2
RegisteredApril 28, 1997
Last UpdatedApril 14, 2026
ExpiresApril 29, 2027
Age28 years
TLD.com
Authoritative Nameservers (4)
  • NS1.VIRGINMEDIA.NET
  • NS2.VIRGINMEDIA.NET
  • NS3.VIRGINMEDIA.NET
  • NS4.VIRGINMEDIA.NET
Registrant
Statutory Masking Enabled
Statutory Masking Enabled
dataprotected@maskeddetails.com·Statutory Masking Enabled, Cardiff, UNITED STATES
Technical Contact
Statutory Masking Enabled
Statutory Masking Enabled
dataprotected@maskeddetails.com·Statutory Masking Enabled, Statutory Masking Enabled, UNITED STATES
About this Domain

About ntl.com

ntl.com is a legacy UK ISP domain from NTL, a former British cable company that merged into Virgin Media. Existing ntl.com addresses continue through Virgin Media infrastructure.

ntl.com operates through Virgin Media's infrastructure with SPF authentication.

The mail servers validate recipients and reject invalid addresses. The domain does not function as catch-all.

For delivery, authenticate with SPF. Follow UK email regulations.

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Common Questions About ntl.com

Is ntl.com a disposable or temporary email provider?
No. ntl.com is not a disposable email provider. It is classified as ISP Email Provider operated by Virgin Media UK and addresses on ntl.com are persistent rather than throwaway. Mail sent to a valid ntl.com mailbox reaches a real recipient.
How do I verify if a ntl.com email address is valid?
The fastest way to verify a ntl.com email address is to use our free email checker. Enter any @ntl.com mailbox at the top of this page and our system performs a real-time SMTP handshake against ntl.com'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 ntl.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to ntl.com'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 ntl.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for ntl.com?
ntl.com currently publishes 4 mail exchange (MX) records. The primary MX is primary.emea.email.fireeyecloud.com, which is the first server contacted when other mail systems try to deliver email to a ntl.com 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 ntl.com.
Does ntl.com use SPF, DKIM, and DMARC email authentication?
ntl.com has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: quarantine). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate ntl.com mail.
Why do emails to ntl.com bounce or get blocked?
Bounces from ntl.com 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 ntl.com'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 ntl.com's receivers trust you.
How can I verify a large list of ntl.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of ntl.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, ntl.com 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 ntl.com email addresses?
Yes, with normal hygiene. ntl.com is a legitimate email service and signups from @ntl.com 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 ntl.com by default.
What email format does ntl.com use for usernames?
Most ntl.com mailboxes follow common patterns like first.last@ntl.com, firstinitiallast@ntl.com, or first@ntl.com, but the actual local-part rules depend on Virgin Media UK. The only reliable way to confirm whether a specific @ntl.com 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 ntl.com risk score calculated?
The 0-to-100 risk score for ntl.com 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 ntl.com score is recomputed on every audit so it always reflects the live state of the domain.
Is ntl.com a valid ISP email domain?
Yes, ntl.com is a valid email domain provided by Virgin Media UK to its internet subscribers. It is a legitimate ISP-issued email address.
Is ntl.com a disposable or temporary email provider?
No, ntl.com is not a disposable or temporary email provider. It is an ISP-provided email service tied to an internet subscription from Virgin Media UK.
What mail server does ntl.com use?
ntl.com uses mail servers operated by Virgin Media UK. Check the MX records section above for specific server details and authentication configuration.
Can I send marketing emails to ntl.com addresses?
Yes, you can send marketing emails to ntl.com 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.
How do I verify an email address at ntl.com?
Use BulkEmailChecker to verify ntl.com addresses via SMTP checks. ISP domains may have specific rate limiting or greylisting behaviors. Our tool handles these provider-specific configurations automatically.