Safe to Send ยท Low risk

Verify Emails at Fastweb.it

Real-time SMTP verification with 99.7% accuracy. Check any @fastweb.it address before you send, no signup required.

SMTP Responsive MX 2 Auth 3/3 Persistent
Fastweb.it Email Checker
LIVE
90Deliverability
2MX Records
10 / 10Free Checks
Verify 10,000 Fastweb.it emails for just $9.95
Military-Grade Encryption
ISO 27001
SOC 2 Type II
GDPR
CCPA
HIPAA

Deliverability

4 signals
Deliverability90/100
Risk Score10
Blacklists0/8
Domain Age26 years

Infrastructure

5 signals
SMTP StatusResponsive
MX Records2
Authentication3/3
Accepts MailYes
Catch-AllNot detected

Classification

4 signals
Domain TypeISP Email Provider
DisposableNo
Free ProviderNo
Mail ProviderProofpoint

Verification Status

June 2, 2026

Yes. You can verify any @Fastweb.it address in real time with a direct SMTP handshake that provides 99.7% accuracy. Fastweb.it is operated by Fastweb, runs 2 mail servers, enforces 3 of 3 authentication standards, and is currently responding to SMTP.

Valid providerYesYes
Mail ProviderProofpoint
MX Records2Active
Authentication3/3Full

Fastweb.it Key Facts

ISP Email
Mail ProviderProofpoint
Domain TypeISP Email Provider
MX Records2 mxb-004ae901.gslb.pphosted.com
SMTP StatusResponsiveResponsive
SPF / DKIM / DMARCPass / Pass / Reject
Catch-AllNot detected
DisposableNoNo
Domain Age26 years (since 2000)
RegistrarFastweb s.p.a.
Last VerifiedJune 2, 2026

How to read your Fastweb.it verification result

Every check returns one of three clear outcomes so you know exactly what to do with the address.

Passed - Safe to Send

The mailbox exists and accepts mail. Send with confidence, the address is deliverable.

Failed - Do Not Send

The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.

Unknown - Use Caution

The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.

What are Fastweb.it's MX records?

fastweb.it publishes 2 MX records. The primary mail exchanger is mxb-004ae901.gslb.pphosted.com, hosted by Proofpoint, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.

MX Records

2 records
PriorityHostnameIPStatus
10 mxb-004ae901.gslb.pphosted.com 143.55.146.204 Reachable
10 mxa-004ae901.gslb.pphosted.com 143.55.149.110 Reachable

Infrastructure

Responsive
SMTP StatusResponsiveResponsive
Primary MXmxb-004ae901.gslb.pphosted.com
Mail ProviderProofpoint
Accepts MailYes
Catch-AllNot detected
220 mx07-004ae901.pphosted.com ESMTP mfa-m0335499

Can you verify Fastweb.it email addresses?

Yes. fastweb.it is a valid email domain, operated by Fastweb. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.

Verification method

SMTP

A live SMTP handshake connects to Fastweb.it's mail server and asks whether the mailbox exists using the RCPT TO command, without ever transmitting a message. The recipient never sees the check.

Accuracy

99.7%

Each address runs through 30+ checks including SMTP existence, catch-all detection, role-account filtering, and disposable matching. The same engine has verified billions of addresses since 2012.

Why verify Fastweb.it emails before you send?

Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.

Filter abandoned accounts

Free inboxes get abandoned constantly. Verification drops the dead fastweb.it mailboxes before you mail them.

Catch typos

Mistyped fastweb.it addresses fail a real SMTP check, so they never turn into a hard bounce.

Protect deliverability

A clean list keeps your bounce rate low, and a low bounce rate is what protects inbox placement on a big send.

Lift open rates

Mailing only live fastweb.it addresses raises every rate that matters: opens, clicks, and replies.

Who operates Fastweb.it?

Fastweb.it is Fastweb, registered through Fastweb s.p.a. and first seen Jan 25, 2000.

Registration (WHOIS)

.it
RegistrarFastweb s.p.a. / IANA 2846
RegisteredJan 25, 2000 / 26 years old
UpdatedMar 16, 2026
ExpiresFeb 28, 2027
RegistrantFastweb S.p.A. / Milano, MI, ITALY
Tech ContactFastweb S.p.A. / Milano, MI, ITALY
dns3.fastweb.itdns4.fastweb.it

Domain Profile

ISP Email Provider
Domainfastweb.it
OrganizationFastweb
TypeISP Email Provider
Mail ProviderProofpoint
SPFPassPass
DKIMPassPass
DMARCRejectReject

fastweb.it is an Italian ISP domain from Fastweb, one of Italy's major broadband providers now owned by Swisscom. Based in Milan, Fastweb provides fiber broadband, mobile, and TV services to Italian consumers and businesses.

fastweb.it implements SPF and DKIM authentication. The service complies with Italian and EU GDPR regulations.

The fastweb.it mail servers enforce recipient verification and reject invalid addresses. The domain does not function as catch-all.

For delivery to fastweb.it, authenticate with SPF and DKIM. Comply with Italian anti-spam regulations.

How do you verify Fastweb.it emails in bulk?

Upload a CSV or TXT list of Fastweb.it addresses to the bulk email verifier. Every address runs through a live SMTP handshake plus catch-all, role-account and disposable detection, and you download a clean list when processing completes. For real-time checks at signup, use the real-time email verification API.

1

Upload your list

CSV or TXT with one email per line. No formatting needed.

2

SMTP verification runs

Each Fastweb.it address is checked with a live server handshake.

3

Download clean results

Get a verified list with status codes, risk flags, and catch-all detection.

Verify Fastweb.it emails from $0.0001 each

Pay as you go. No subscriptions, and credits never expire.

10,000 Verifications
$9.95
$0.00099 per email
One-time payment. No contracts.
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25,000 Verifications
$23.95
$0.00095 per email
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$44.95
$0.00089 per email
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100,000 Verifications
$74.95
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Frequently asked questions about Fastweb.it

Everything about verifying email at this domain.

Yes, fastweb.it is a valid email domain provided by Fastweb to its internet subscribers. It is a legitimate ISP-issued email address.

No, fastweb.it is not a disposable or temporary email provider. It is an ISP-provided email service tied to an internet subscription from Fastweb.

fastweb.it uses mail servers operated by Fastweb. Check the MX records section above for specific server details and authentication configuration.

Yes, you can send marketing emails to fastweb.it 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.

Use BulkEmailChecker to verify fastweb.it addresses via SMTP checks. ISP domains may have specific rate limiting or greylisting behaviors. Our tool handles these provider-specific configurations automatically.

Upload a CSV or TXT list to the bulk email verifier. Every address runs through 30+ checks including SMTP existence, catch-all detection, role-account, and disposable matching. Processing time depends on list size.

99.7% accurate using a direct SMTP handshake with fastweb.it's mail servers, the same engine that has verified billions of addresses since 2012.