optimizely.com - Email Domain Verification & Deliverability Report

Active Corporate Email
Organization: Optimizely Inc.
Mail Server: Mimecast
Verified 4 days ago

Verify email addresses @optimizely.com. View MX records, mail server configuration, and authentication status for Optimizely Inc..

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MX Records for optimizely.com

PriorityMail ServerIP Address
10 de-smtp-inbound-1.mimecast.com 194.104.110.22
20 de-smtp-inbound-2.mimecast.com 194.104.108.22
SMTP Status: Responding
SMTP Banner:
220 de-smtp-inbound-1.mimecast.com ESMTP; Mon, 09 Mar 2026 02:10:43 +0100

optimizely.com uses Mimecast mail servers, which means emails are processed through Mimecast infrastructure with their built-in spam filtering and security controls.

Email Authentication for optimizely.com

SPF Record Pass

v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
Authorized Senders:
%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email

SPF (Sender Policy Framework) specifies which mail servers are authorized to send email on behalf of optimizely.com.

DMARC Record Reject

v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@optimizely.com,mailto:dmarc_agg@vali.email; fo=1;

Policy applied to: 100% of emails

DMARC (Domain-based Message Authentication) tells receiving servers what to do with emails that fail authentication checks.

DKIM Found

DKIM signatures were detected for optimizely.com, confirming that this domain cryptographically signs outgoing emails.

Authentication Summary: optimizely.com has full email authentication configured with SPF, DMARC, and DKIM. This provides strong protection against email spoofing and phishing. Emails sent from this domain are well-authenticated and likely to have high deliverability.

WHOIS & Domain Information

Registration Details

Domain
optimizely.com
TLD
.com
Created
2010-01-10
Updated
2026-01-11
Expires
2027-01-10
Domain Age
16 years

Registrar

Name
GoDaddy.com, LLC
IANA ID
146

Registrant Contact

Name
Registration Private
Organization
Domains By Proxy, LLC
Location
Tempe, Arizona, UNITED STATES

Technical Contact

Name
Registration Private
Organization
Domains By Proxy, LLC
Location
Tempe, Arizona, UNITED STATES

Name Servers

  • DOUG.NS.CLOUDFLARE.COM
  • HARMONY.NS.CLOUDFLARE.COM

Verifying Emails at Optimizely Inc.

Optimizely Inc. (optimizely.com) is a digital experience platform company headquartered in New York City. Optimizely provides A/B testing, multivariate testing, content management, and digital commerce solutions. The platform helps businesses experiment with and optimize their digital experiences to improve conversion rates and customer engagement.

Optimizely implements enterprise email authentication on the optimizely.com domain with SPF, DKIM, and DMARC enforcement. As a digital experience platform, Optimizely maintains robust email security to protect customer experimentation data and corporate communications.

Email verification against optimizely.com returns definitive responses for valid and invalid mailboxes. The domain does not operate as catch-all. Optimizely's enterprise mail infrastructure implements rate limiting on inbound SMTP connections.

For partners communicating with Optimizely employees, proper sender authentication is important. Optimizely's corporate email filters enforce SPF, DKIM, and DMARC validation. Full authentication compliance ensures reliable inbox delivery to optimizely.com addresses.

How to Verify optimizely.com Email Addresses

Need to check if an email address at optimizely.com actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to optimizely.com's mail servers to confirm the mailbox is real, active, and able to receive your message. No test email is ever sent, so your sender reputation stays protected.

Verify a Single optimizely.com Email
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Verify optimizely.com Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates optimizely.com email addresses at the point of entry, blocking invalid, disposable, and risky addresses before they enter your database. Integrate with a single API call and prevent bad data at the source.

Frequently Asked Questions

Yes, optimizely.com is the official corporate email domain for Optimizely Inc.. It is used for internal business communications and is not available for public registration.
No, optimizely.com is a corporate email domain belonging to Optimizely Inc., used exclusively by employees and authorized personnel.
optimizely.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.
B2B marketing to optimizely.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
Corporate domains like optimizely.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.
The fastest and most accurate way to verify a optimizely.com email address is to use BulkEmailChecker's free email verification tool. Simply enter the full email address and our system performs SMTP-level validation by connecting directly to optimizely.com's mail servers. You'll get instant results showing whether the mailbox exists, is deliverable, and is safe to send to, all without sending a single email.
Yes. BulkEmailChecker uses SMTP verification to check if a optimizely.com mailbox exists without ever delivering an email. Our system connects to the domain's mail server, performs an SMTP handshake, and queries the mail server to confirm whether the recipient address is valid. This process is completely invisible to the email recipient and does not affect your sender reputation.
Sending to invalid email addresses causes hard bounces, which directly damage your sender reputation. Internet Service Providers (ISPs) and email providers track your bounce rate, and if it exceeds 2%, your emails may start landing in spam folders or get blocked entirely. Verifying optimizely.com addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.
BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of optimizely.com email addresses and verify them all at once. Each address goes through 30+ verification checks including syntax validation, DNS/MX lookup, SMTP verification, disposable domain detection, and spam trap identification. Results are typically ready within minutes and can be downloaded as a clean, verified list.
Email verification is the process of confirming that an email address is real, properly formatted, and capable of receiving messages. It matters because sending to invalid addresses causes bounces, damages your sender reputation, wastes marketing budget, and can get your sending IP blacklisted. BulkEmailChecker verifies addresses at the SMTP level, the most accurate method available, ensuring your emails reach real people.
MX (Mail Exchange) records are DNS entries that specify which mail servers are responsible for receiving email for a domain. When you send an email, your mail server looks up the recipient domain's MX records to find where to deliver the message. If a domain has no MX records, it cannot receive email. BulkEmailChecker checks MX records as part of every verification to confirm the domain is configured for email delivery.
A catch-all (or accept-all) domain is configured to accept email sent to any address at that domain, regardless of whether the specific mailbox exists. This makes it harder to verify individual addresses because the server always responds positively. BulkEmailChecker detects catch-all configurations and flags them in verification results so you can make informed decisions about sending to those addresses.
Yes. BulkEmailChecker offers a real-time email verification API that you can integrate into signup forms, CRM systems, lead capture tools, and any application that collects email addresses. The API validates addresses at the point of entry, blocking invalid, disposable, and risky emails before they enter your database. Integration takes just a single API call with response times under 3 seconds.

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