Domain Intelligence
Last Updated:
Libero.it
Safe to Send
Libero.it is operated by Italiaonline. 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 @libero.it emails
Live SMTP handshake against libero.it 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
Reached out to support during our API integration last month. Response in under 15 minutes, the rep was so sharp and helpful that by the end of the thread it honestly felt like I was flirting with him. Amazing support team. A+++. Nathan Orozco · Lead Engineer · via X
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 libero.it 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
smtp-in.libero.it 213.209.1.129
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 smtp-14.iol.local smtp-14.iol.local ESMTP server ready
Primary mail server accepted SMTP connection and returned a banner during the live audit.
libero.it 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 ip4:213.209.8.0/21 ip4:213.209.6.249/32 ip4:213.209.17.209/32 ip4:213.209.17.246/32 ip4:213.209.27.51/32 ip4:213.209.27.52/32 ip4:195.140.184.104/29 ip4:195.140.184.112 ip4:195.140.184.231/32 ip4:195.140.184.232/29 ip4:195.140.184.240/29 ip4:141.206.150.96/29 ip4:141.206.150.48/29 include:mail.zendesk.com include:_oxspf.libero.it -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 libero.it.
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; rua=mailto:dmarc_agg_rep@libero.it,mailto:dmarc_agg@auth.returnpath.net;
Receivers are instructed to quarantine (route to spam) any mail that fails SPF or DKIM.
libero.it Domain Registration WHOIS · Nameservers · Registrar
RegistrarReevo s.p.a.
IANA ID600
RegisteredJune 3, 1999
Last UpdatedJune 19, 2025
ExpiresJune 3, 2026
Age26 years
TLD.it
Authoritative Nameservers (2)
- ns1.italiaonline.it
- ns2.iol.it
Registrant
Italiaonline S.p.A.
Assago, MI, ITALY
Technical Contact
Tiziano Salmi
Italiaonline S.p.A.
Assago, MI, ITALY
About this Domain
About libero.it
libero.it is one of Italy's most popular free email services, operated by Italiaonline S.p.A., the largest Italian internet company based in Milan. Libero provides free email alongside news, search, and advertising services to millions of Italian users.
libero.it implements SPF and DKIM authentication. As Italy's largest email provider, Italiaonline maintains robust anti-spam infrastructure complying with Italian privacy law and EU GDPR.
The libero.it mail servers enforce recipient verification and reject invalid addresses. The domain does not operate as catch-all. Rate limiting applies, especially from international senders.
For delivery to libero.it, authenticate with SPF and DKIM. Italian providers apply thorough filtering. Comply with Italian anti-spam regulations for commercial messages.
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Common Questions About libero.it
Is libero.it a disposable or temporary email provider?
No. libero.it is not a disposable email provider. It is classified as Free Email Provider operated by Italiaonline and addresses on libero.it are persistent rather than throwaway. Mail sent to a valid libero.it mailbox reaches a real recipient.
How do I verify if a libero.it email address is valid?
The fastest way to verify a libero.it email address is to use our free email checker. Enter any @libero.it mailbox at the top of this page and our system performs a real-time SMTP handshake against libero.it'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 libero.it email exists without sending a message?
Yes. Our real-time email verification API connects directly to libero.it'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 libero.it mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for libero.it?
libero.it currently publishes 1 mail exchange (MX) record. The primary MX is smtp-in.libero.it, which is the first server contacted when other mail systems try to deliver email to a libero.it 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 libero.it.
Does libero.it use SPF, DKIM, and DMARC email authentication?
libero.it 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 libero.it mail.
Why do emails to libero.it bounce or get blocked?
Bounces from libero.it 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 libero.it'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 libero.it's receivers trust you.
How can I verify a large list of libero.it email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of libero.it addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, libero.it 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 libero.it email addresses?
Yes, with normal hygiene. libero.it is a legitimate email service and signups from @libero.it 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 libero.it by default.
What email format does libero.it use for usernames?
Most libero.it mailboxes follow common patterns like first.last@libero.it, firstinitiallast@libero.it, or first@libero.it, but the actual local-part rules depend on Italiaonline. The only reliable way to confirm whether a specific @libero.it 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 libero.it risk score calculated?
The 0-to-100 risk score for libero.it 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 libero.it score is recomputed on every audit so it always reflects the live state of the domain.
Is libero.it a valid email domain?
Yes, libero.it is a valid free email domain operated by Italiaonline. It provides permanent email accounts to users.
Is libero.it a disposable or temporary email provider?
No, libero.it is not a disposable or temporary email provider. It offers permanent email accounts with standard email features.
What mail server does libero.it use?
libero.it uses mail servers operated by Italiaonline. Check the MX records section above for specific server details.
Can I send marketing emails to libero.it addresses?
Yes, with proper opt-in consent. Follow email best practices and ensure SPF, DKIM, and DMARC authentication is configured for your sending domain.
How do I verify an email address at libero.it?
Use BulkEmailChecker to verify libero.it addresses via SMTP checks. Verification behavior varies by provider. Our tool handles provider-specific rate limiting automatically.