Domain Intelligence
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Sarepta.com

Safe to Send

Sarepta.com is operated by Sarepta Therapeutics. The domain runs 2 mail exchanges and SMTP is responsive, with all three authentication standards in force.

Safe to Send
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Verify @sarepta.com emails

Live SMTP handshake against sarepta.com mail servers. No email is sent. 10 free per day, no signup.

@sarepta.com
No email sent No signup Real-time SMTP

Trusted by 400,000+ senders

4.9/5
From 8,500+ verified reviews
Compliance approved this in two weeks thanks to SOC 2 Type II and the GDPR documentation. Verification accuracy holds at the advertised 99%+ across our 80k physician contact list. Dana Mehta · IT Director, Healthcare
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
2
Mail exchangers

Mail Exchange (MX) Records for sarepta.com 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.

2 RECORDS
#10
us-smtp-inbound-2.mimecast.com 170.10.128.221
Reachable
#10
us-smtp-inbound-1.mimecast.com 170.10.132.242
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 us-smtp-inbound-1.mimecast.com ESMTP; Mon, 11 May 2026 15:10:45 -0400
Primary mail server accepted SMTP connection and returned a banner during the live audit.

sarepta.com Email Authentication SPF · DKIM · DMARC

3/3 PASS
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 include:t2fu1q3hz2.powerspf.com -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. Pass
SELECTORDetected via standard selectors
A DKIM signature was detected. Outbound mail from this domain can be cryptographically verified.
DMARC Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject. Reject
TXTv=DMARC1; p=reject; rua=mailto:g0dlwk5txd@rua.powerdmarc.com; ruf=mailto:g0dlwk5txd@ruf.powerdmarc.com; pct=100; fo=1;
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.

sarepta.com Domain Registration WHOIS · Nameservers · Registrar

29 YEARS OLD
RegistrarCSC Corporate Domains, Inc.
IANA ID299
RegisteredApril 7, 1997
Last UpdatedApril 20, 2026
ExpiresApril 9, 2027
Age29 years
TLD.com
Authoritative Nameservers (4)
  • dns4.easydns.info
  • dns3.easydns.org
  • dns2.easydns.net
  • dns1.easydns.com
Registrant
Sarepta Therapeutics, Inc.
MA, UNITED STATES

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Common Questions About sarepta.com

Is sarepta.com a disposable or temporary email provider?
No. sarepta.com is not a disposable email provider. It is classified as Corporate Email operated by Sarepta Therapeutics and addresses on sarepta.com are persistent rather than throwaway. Mail sent to a valid sarepta.com mailbox reaches a real recipient.
How do I verify if a sarepta.com email address is valid?
The fastest way to verify a sarepta.com email address is to use our free email checker. Enter any @sarepta.com mailbox at the top of this page and our system performs a real-time SMTP handshake against sarepta.com'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 sarepta.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to sarepta.com'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 sarepta.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for sarepta.com?
sarepta.com currently publishes 2 mail exchange (MX) records. The primary MX is us-smtp-inbound-2.mimecast.com, which is the first server contacted when other mail systems try to deliver email to a sarepta.com 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 sarepta.com.
Does sarepta.com use SPF, DKIM, and DMARC email authentication?
sarepta.com enforces all three email authentication standards: SPF, DKIM, and DMARC (policy: reject). This is the gold-standard configuration. It means receivers can verify that mail claiming to come from @sarepta.com is genuine, and sarepta.com's DMARC policy of 'reject' instructs receivers how to handle messages that fail those checks.
Why do emails to sarepta.com bounce or get blocked?
Bounces from sarepta.com 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 sarepta.com'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 sarepta.com's receivers trust you.
How can I verify a large list of sarepta.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of sarepta.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, sarepta.com 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 sarepta.com email addresses?
Yes, with normal hygiene. sarepta.com is a legitimate email service and signups from @sarepta.com 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 sarepta.com by default.
What email format does sarepta.com use for usernames?
Most sarepta.com mailboxes follow common patterns like first.last@sarepta.com, firstinitiallast@sarepta.com, or first@sarepta.com, but the actual local-part rules depend on Sarepta Therapeutics. The only reliable way to confirm whether a specific @sarepta.com 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 sarepta.com risk score calculated?
The 0-to-100 risk score for sarepta.com 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 sarepta.com score is recomputed on every audit so it always reflects the live state of the domain.
Is sarepta.com a valid corporate email domain?
Yes, sarepta.com is the official corporate email domain for Sarepta Therapeutics. It is used for internal business communications and is not available for public registration.
Is sarepta.com a disposable or temporary email provider?
No, sarepta.com is a corporate email domain belonging to Sarepta Therapeutics, used exclusively by employees and authorized personnel.
What mail server does sarepta.com use?
sarepta.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.
Can I send marketing emails to sarepta.com addresses?
B2B marketing to sarepta.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
How do I verify an email address at sarepta.com?
Corporate domains like sarepta.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.