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Jazztel.com

Safe to Send

Jazztel.com is operated by Jazztel. The domain runs 1 mail exchange and SMTP is responsive, with 2 of 3 authentication standards in place.

Safe to Send
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Verify @jazztel.com emails

Live SMTP handshake against jazztel.com mail servers. No email is sent. 10 free per day, no signup.

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

Trusted by 400,000+ senders

4.9/5
From 8,500+ verified reviews
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
1
Mail exchangers

Mail Exchange (MX) Records for jazztel.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.

1 RECORD
#4
masmovil.in.tmes.trendmicro.eu 18.185.115.147
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.eu ESMTP Trend Micro Email Security
Primary mail server accepted SMTP connection and returned a banner during the live audit.

jazztel.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 mx ip4:85.62.13.215 ip4:83.231.36.67 include:spf.tmes.trendmicro.eu include:_spf.retarus.com include:_spf.general.transactional-mail-a.com include:spf.protection.outlook.com include:_spf.qualtrics.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 jazztel.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. None
TXTv=DMARC1; p=none; rua=mailto:att.cliente.jazztel@jazztel.com
Monitoring only. Receivers take no action when SPF or DKIM fails.

jazztel.com Domain Registration WHOIS · Nameservers · Registrar

28 YEARS OLD
RegistrarNOMINALIA INTERNET S.L.
IANA ID76
RegisteredNovember 11, 2008
Last UpdatedMay 13, 2021
ExpiresJuly 13, 2026
Age28 years
TLD.com
Authoritative Nameservers (2)
  • DNS2.JAZZTEL.ES
  • DNS.JAZZTEL.ES
Registrant
Hidden by registrar privacy service
Technical Contact
Hidden by registrar privacy service
About this Domain

About jazztel.com

jazztel.com is a Spanish ISP domain from Jazztel, a telecommunications provider now owned by Orange SA. Based in Madrid, Jazztel provides broadband and phone services to Spanish consumers.

jazztel.com implements SPF authentication. Compliant with Spanish and EU GDPR regulations.

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

For delivery, authenticate with SPF. Comply with Spanish LSSI-CE regulations.

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Common Questions About jazztel.com

Is jazztel.com a disposable or temporary email provider?
No. jazztel.com is not a disposable email provider. It is classified as ISP Email Provider operated by Jazztel and addresses on jazztel.com are persistent rather than throwaway. Mail sent to a valid jazztel.com mailbox reaches a real recipient.
How do I verify if a jazztel.com email address is valid?
The fastest way to verify a jazztel.com email address is to use our free email checker. Enter any @jazztel.com mailbox at the top of this page and our system performs a real-time SMTP handshake against jazztel.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 jazztel.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to jazztel.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 jazztel.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for jazztel.com?
jazztel.com currently publishes 1 mail exchange (MX) record. The primary MX is masmovil.in.tmes.trendmicro.eu, which is the first server contacted when other mail systems try to deliver email to a jazztel.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 jazztel.com.
Does jazztel.com use SPF, DKIM, and DMARC email authentication?
jazztel.com 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 jazztel.com mail.
Why do emails to jazztel.com bounce or get blocked?
Bounces from jazztel.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 jazztel.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 jazztel.com's receivers trust you.
How can I verify a large list of jazztel.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of jazztel.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, jazztel.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 jazztel.com email addresses?
Yes, with normal hygiene. jazztel.com is a legitimate email service and signups from @jazztel.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 jazztel.com by default.
What email format does jazztel.com use for usernames?
Most jazztel.com mailboxes follow common patterns like first.last@jazztel.com, firstinitiallast@jazztel.com, or first@jazztel.com, but the actual local-part rules depend on Jazztel. The only reliable way to confirm whether a specific @jazztel.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 jazztel.com risk score calculated?
The 0-to-100 risk score for jazztel.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 jazztel.com score is recomputed on every audit so it always reflects the live state of the domain.
Is jazztel.com a valid ISP email domain?
Yes, jazztel.com is a valid email domain provided by Jazztel to its internet subscribers. It is a legitimate ISP-issued email address.
Is jazztel.com a disposable or temporary email provider?
No, jazztel.com is not a disposable or temporary email provider. It is an ISP-provided email service tied to an internet subscription from Jazztel.
What mail server does jazztel.com use?
jazztel.com uses mail servers operated by Jazztel. Check the MX records section above for specific server details and authentication configuration.
Can I send marketing emails to jazztel.com addresses?
Yes, you can send marketing emails to jazztel.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 jazztel.com?
Use BulkEmailChecker to verify jazztel.com addresses via SMTP checks. ISP domains may have specific rate limiting or greylisting behaviors. Our tool handles these provider-specific configurations automatically.