Inspect another domain in real time:

tuta.io

Detected Mail Infrastructure: Consumer Email Service Provider

CONSUMER WEBMAIL STATUS: ACCEPT
Deliverability Risk Low Risk
5%
Mail Exchangers (MX)
1 Active Exchanger(s)

Primary: mail.tutanota.de

Authentication Setup
✓ SPF Valid ✓ DMARC Active

Enforces domain sender policy

MailVeri Intelligence Assessment for tuta.io

tuta.io is a major consumer webmail provider. Email addresses on this domain are generally authentic human users. Validate individual mailbox existence to prevent bounces from dormant accounts.
Live Mailbox Probe

Verify an email address at tuta.io

Test if a specific recipient mailbox exists and can receive messages without sending any actual email.

MailVeri Real-Time & Bulk Verification Engine

Need to clean email lists containing @tuta.io?

DNS checks confirm mail server availability, but cannot detect full inboxes, deleted mailboxes, or stealth spam traps. MailVeri verifies recipient mailbox deliverability in real time with 99% accuracy and non-intrusive SMTP handshakes.

Universal Credits Never Expire Sub-100ms API Latency 99% Deliverability Target

Mail Exchanger (MX) Records

1 MX

Active inbound mail routes resolved from authoritative DNS:

tuta.io. IN MX 0 mail.tutanota.de.

SPF & DMARC Authentication

Sender Policy Framework (SPF):

v=spf1 include:spf.tutanota.de -all

Domain-based Message Authentication (DMARC):

v=DMARC1; p=quarantine; adkim=s

Frequently Asked Questions about tuta.io

Q Is tuta.io a disposable email domain?

No. tuta.io is a standard free email domain powered by Consumer Email Service Provider. It is not an ephemeral or disposable burner service.

Q What mail servers (MX records) handle email for tuta.io?

Emails addressed to @tuta.io are processed by 1 authoritative mail exchanger(s), including mail.tutanota.de (priority 0). The mail routing is handled by Consumer Email Service Provider.

Q Does tuta.io have SPF and DMARC email security configured?

Yes. tuta.io has published email authentication records. An SPF record is active (v=spf1 include:spf.tutanota.de -all) and a DMARC policy is in place (v=DMARC1; p=quarantine; adkim=s), protecting the domain against sender address spoofing.

Q Should signups using @tuta.io be allowed or blocked?

Signups using @tuta.io are legitimate consumer email accounts (Consumer Email Service Provider). Accept signups while validating syntax and mailbox status via MailVeri API.

Q How do I verify if an email address on tuta.io exists without sending?

You can verify recipient mailboxes on tuta.io in real time using the MailVeri API. It checks domain deliverability, mailbox existence via low-latency SMTP handshakes (<500ms), and catch-all status without sending actual emails.