Safe to Send ยท Low risk

Verify Emails at H2o.ai

Real-time SMTP verification with 99.7% accuracy. Check any @h2o.ai address before you send, no signup required.

SMTP Responsive MX 5 Auth 3/3 Persistent
H2o.ai Email Checker
LIVE
95Deliverability
5MX Records
10 / 10Free Checks
Verify 10,000 H2o.ai emails for just $9.95
Military-Grade Encryption
ISO 27001
SOC 2 Type II
GDPR
CCPA
HIPAA

Deliverability

4 signals
Deliverability95/100
Risk Score5
Blacklists0/8
Domain Age8 years

Infrastructure

5 signals
SMTP StatusResponsive
MX Records5
Authentication3/3
Accepts MailYes
Catch-AllNot detected

Classification

4 signals
Domain TypeCorporate Email
DisposableNo
Free ProviderNo
Mail ProviderGoogle Workspace

Verification Status

June 1, 2026

Yes. You can verify any @H2o.ai address in real time with a direct SMTP handshake that provides 99.7% accuracy. H2o.ai is operated by H2O.ai Inc., runs 5 mail servers, enforces 3 of 3 authentication standards, and is currently responding to SMTP.

Valid providerYesYes
Mail ProviderGoogle Workspace
MX Records5Active
Authentication3/3Full

H2o.ai Key Facts

Corporate Domain
Mail ProviderGoogle Workspace
Domain TypeCorporate Email
MX Records5 aspmx.l.google.com
SMTP StatusResponsiveResponsive
SPF / DKIM / DMARCPass / Pass / Reject
Catch-AllNot detected
DisposableNoNo
Domain Age8 years (since 2017)
RegistrarKey-Systems GmbH
Last VerifiedJune 1, 2026

How to read your H2o.ai 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 H2o.ai's MX records?

h2o.ai publishes 5 MX records. The primary mail exchanger is aspmx.l.google.com, hosted by Google Workspace, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.

MX Records

5 records
PriorityHostnameIPStatus
1 aspmx.l.google.com 142.251.111.26 Reachable
5 alt2.aspmx.l.google.com 172.253.116.26 Reachable
5 alt1.aspmx.l.google.com 108.177.123.26 Reachable
10 alt4.aspmx.l.google.com 173.194.76.26 Reachable
10 alt3.aspmx.l.google.com 192.178.223.27 Reachable

Infrastructure

Responsive
SMTP StatusResponsiveResponsive
Primary MXaspmx.l.google.com
Mail ProviderGoogle Workspace
Accepts MailYes
Catch-AllNot detected
220 mx.google.com ESMTP d75a77b69052e-51741b21aa6si75026481cf.86 - gsmtp

Can you verify H2o.ai email addresses?

Yes. h2o.ai is a valid email domain, operated by H2O.ai Inc.. 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 H2o.ai'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 H2o.ai 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.

Catch role changes

People leave companies. Verification flags h2o.ai mailboxes deactivated since you collected them.

Avoid dead mailboxes

Expired or full h2o.ai inboxes hard-bounce. A live SMTP check catches them before you hit send.

Protect sender reputation

Low bounce rates keep you trusted by h2o.ai mail servers and the major mailbox providers.

Keep CRM data accurate

Verified contacts mean your CRM, lead scoring, and routing all run on addresses that reach a person.

Who operates H2o.ai?

H2o.ai is H2O.ai Inc., registered through Key-Systems GmbH and first seen Dec 15, 2017.

Registration (WHOIS)

.ai
RegistrarKey-Systems GmbH / IANA 269
RegisteredDec 15, 2017 / 8 years old
UpdatedJan 12, 2026
ExpiresNov 4, 2029
RegistrantOn behalf of h2o.ai owner / Alexandria, VA, UNITED STATES
Tech ContactOn behalf of h2o.ai tech / Alexandria, VA, UNITED STATES
ns-1325.awsdns-37.orgns-990.awsdns-59.netns-1729.awsdns-24.co.ukns-477.awsdns-59.com

Domain Profile

Corporate Email
Domainh2o.ai
OrganizationH2O.ai Inc.
TypeCorporate Email
Mail ProviderGoogle Workspace
SPFPassPass
DKIMPassPass
DMARCRejectReject

H2o.ai is H2O.ai Inc., classified as corporate email running on Google Workspace. It operates 5 mail servers and currently accepts SMTP connections.

When verifying h2o.ai addresses, the checker connects directly to Google Workspace over SMTP. With 3 of 3 authentication standards in place and SMTP currently responding, verification results for this domain carry high confidence.

How do you verify H2o.ai emails in bulk?

Upload a CSV or TXT list of H2o.ai 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 H2o.ai 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 H2o.ai emails from $0.0001 each

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Frequently asked questions about H2o.ai

Everything about verifying email at this domain.

Yes, h2o.ai is the official corporate email domain for H2O.ai Inc.. It is used for internal business communications and is not available for public registration.

No, h2o.ai is a corporate email domain belonging to H2O.ai Inc., used exclusively by employees and authorized personnel.

h2o.ai uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.

B2B marketing to h2o.ai requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.

Corporate domains like h2o.ai may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.

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 h2o.ai's mail servers, the same engine that has verified billions of addresses since 2012.