Domain Intelligence
Last Updated:
Club-internet.fr
Safe to Send
Club-internet.fr is operated by Club Internet. 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 @club-internet.fr emails
Live SMTP handshake against club-internet.fr mail servers. No email is sent. 10 free per day, no signup.
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We had a sender reputation crisis after a list import went badly. Used the bulk verifier to scrub everything, then plugged the API into our signup form. Took deliverability from 73% to 96% over six weeks. Sarah Knowles · Email Marketing 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 club-internet.fr 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.
#5
smtp-in.sfr.fr 93.17.128.123
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-msfrf2602.sfr.fr ESMTP **************************
Primary mail server accepted SMTP connection and returned a banner during the live audit.
club-internet.fr 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 ip4:93.17.128.0/24 -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 club-internet.fr.
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; adkim=s; aspf=s; rua=mailto:dmarc_report_agg@sfr.fr; ruf=mailto:dmarc_report_err@sfr.fr; fo=1
Receivers are instructed to quarantine (route to spam) any mail that fails SPF or DKIM.
club-internet.fr Domain Registration WHOIS · Nameservers · Registrar
RegistrarSFR
RegisteredFebruary 15, 2008
Last UpdatedJanuary 31, 2026
ExpiresDecember 4, 2026
Age18 years
TLD.fr
Authoritative Nameservers (2)
- ns1.9services.com
- ns2.9services.com
Registrant
SOCIETE FRANCAISE DU RADIOTELEPHONE - SFR
domaine@sfr.com·FRANCE·33185060000
Technical Contact
SOCIETE FRANCAISE DU RADIOTELEPHONE - SFR
domaine@sfr.com·FRANCE·33185060000
About this Domain
About club-internet.fr
club-internet.fr is the email domain for Club Internet, a former French internet service provider. Club Internet was acquired by SFR (now part of Altice France) and its broadband and email services were integrated into the SFR platform. Legacy club-internet.fr email accounts continue to be maintained for existing subscribers.
club-internet.fr supports SPF authentication through SFR/Altice infrastructure. DKIM and DMARC configurations follow SFR standards for legacy domains. Proper authentication alignment ensures reliable delivery to club-internet.fr mailboxes.
The club-internet.fr mail servers, managed by SFR infrastructure, validate recipients and apply anti-spam filtering including reputation evaluation, content scanning, and authentication verification.
For delivery to club-internet.fr, authenticate with SPF and DKIM, maintain clean lists, and comply with French CNIL guidelines and GDPR. SFR delivery practices apply to all legacy domains including club-internet.fr.
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Common Questions About club-internet.fr
Is club-internet.fr a disposable or temporary email provider?
No. club-internet.fr is not a disposable email provider. It is classified as ISP Email Provider operated by Club Internet and addresses on club-internet.fr are persistent rather than throwaway. Mail sent to a valid club-internet.fr mailbox reaches a real recipient.
How do I verify if a club-internet.fr email address is valid?
The fastest way to verify a club-internet.fr email address is to use our free email checker. Enter any @club-internet.fr mailbox at the top of this page and our system performs a real-time SMTP handshake against club-internet.fr'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 club-internet.fr email exists without sending a message?
Yes. Our real-time email verification API connects directly to club-internet.fr'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 club-internet.fr mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for club-internet.fr?
club-internet.fr currently publishes 1 mail exchange (MX) record. The primary MX is smtp-in.sfr.fr, which is the first server contacted when other mail systems try to deliver email to a club-internet.fr 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 club-internet.fr.
Does club-internet.fr use SPF, DKIM, and DMARC email authentication?
club-internet.fr 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 club-internet.fr mail.
Why do emails to club-internet.fr bounce or get blocked?
Bounces from club-internet.fr 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 club-internet.fr'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 club-internet.fr's receivers trust you.
How can I verify a large list of club-internet.fr email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of club-internet.fr addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, club-internet.fr 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 club-internet.fr email addresses?
Yes, with normal hygiene. club-internet.fr is a legitimate email service and signups from @club-internet.fr 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 club-internet.fr by default.
What email format does club-internet.fr use for usernames?
Most club-internet.fr mailboxes follow common patterns like first.last@club-internet.fr, firstinitiallast@club-internet.fr, or first@club-internet.fr, but the actual local-part rules depend on Club Internet. The only reliable way to confirm whether a specific @club-internet.fr 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 club-internet.fr risk score calculated?
The 0-to-100 risk score for club-internet.fr 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 club-internet.fr score is recomputed on every audit so it always reflects the live state of the domain.
Is club-internet.fr a valid email domain?
Yes, club-internet.fr is a valid email domain originally operated by Club Internet, now maintained by SFR (Altice France). Legacy email accounts remain active for existing French subscribers.
Is club-internet.fr a disposable or temporary email service?
No, club-internet.fr is not a disposable or temporary email service. It is a permanent ISP email domain with legacy accounts maintained by SFR for former Club Internet subscribers in France.
What mail servers does club-internet.fr use?
club-internet.fr uses mail servers managed by SFR/Altice infrastructure in France. The MX records direct inbound email to SFR-operated gateways for filtering and delivery to legacy mailboxes.
Can I send marketing emails to club-internet.fr addresses?
You can send marketing emails to club-internet.fr addresses with valid opt-in consent. Authenticate with SPF and DKIM, comply with French CNIL regulations and GDPR, and honor unsubscribe requests.
How do I verify a club-internet.fr email address?
You can verify a club-internet.fr email address using an email verification tool that checks MX records and performs SMTP-level validation to confirm the mailbox is active and accepting messages.