Domain Intelligence
Last Updated:
Hashicorp Email Verification
Safe to Send
Hashicorp.com is operated by HashiCorp Inc.. The domain runs 2 mail exchanges and SMTP is responsive, with all three authentication standards in force.
Safe to Send
RISK
10
/100
Low
Verify Mailbox
Verify @hashicorp.com emails
Live SMTP handshake against hashicorp.com mail servers. No email is sent. 10 free per day, no signup.
Trusted by 400,000+ senders
4.9/5
From 8,500+ verified reviews
I run cold for an agency. We've used Hunter, NeverBounce, and ZeroBounce. This matches them on accuracy and is meaningfully cheaper at our volume. Switched everything over in March. Priya Nair
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 hashicorp.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.
#5
mx0a-001b2d05.pphosted.com 205.220.161.114
Reachable
#5
mx0b-001b2d05.pphosted.com 205.220.172.48
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 mx0a-001b2d05.pphosted.com ESMTP mfa-m0373556
Primary mail server accepted SMTP connection and returned a banner during the live audit.
hashicorp.com Email Authentication SPF · DKIM · DMARC
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:hashicorp.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:_spf.hashicorp.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:dmarc_agg@vali.email; ruf=mailto:team-corpsec@hashicorp.com
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.
hashicorp.com Domain Registration WHOIS · Nameservers · Registrar
RegistrarCSC Corporate Domains, Inc.
IANA ID299
RegisteredApril 30, 2011
Last UpdatedApril 25, 2026
ExpiresApril 30, 2028
Age14 years
TLD.com
Authoritative Nameservers (4)
- ns-1753.awsdns-27.co.uk
- ns-667.awsdns-19.net
- ns-230.awsdns-28.com
- ns-1411.awsdns-48.org
Registrant
International Business Machines Corporation
NY, UNITED STATES
About this Domain
About hashicorp.com
HashiCorp Inc. (hashicorp.com) is an infrastructure software company headquartered in San Francisco, California. HashiCorp develops widely used open-source tools including Terraform, Vault, Consul, and Nomad for cloud infrastructure automation, secrets management, service networking, and workload orchestration used by thousands of enterprises.
HashiCorp implements comprehensive email authentication on the hashicorp.com domain with SPF, DKIM, and DMARC enforcement. As a company whose products manage cloud infrastructure and secrets, HashiCorp maintains rigorous email security to protect against phishing threats targeting DevOps teams and infrastructure engineers.
Email verification against hashicorp.com returns definitive responses for valid and invalid mailboxes. The domain does not operate as catch-all. HashiCorp's mail infrastructure implements rate limiting on inbound SMTP connections.
For partners communicating with HashiCorp employees, proper sender authentication is essential. HashiCorp's corporate email filters enforce SPF, DKIM, and DMARC validation. Full authentication compliance ensures reliable inbox delivery to hashicorp.com addresses.
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More Email Verification Tools
Free single-address checks, bulk uploads, and APIs for plugging email verification into your own product.
Common Questions About hashicorp.com
Is hashicorp.com a disposable or temporary email provider?
No. hashicorp.com is not a disposable email provider. It is classified as Corporate Email operated by HashiCorp Inc. and addresses on hashicorp.com are persistent rather than throwaway. Mail sent to a valid hashicorp.com mailbox reaches a real recipient.
How do I verify if a hashicorp.com email address is valid?
The fastest way to verify a hashicorp.com email address is to use our email checker. Enter any @hashicorp.com mailbox at the top of this page and our system performs a real-time SMTP handshake against hashicorp.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 hashicorp.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to hashicorp.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 hashicorp.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for hashicorp.com?
hashicorp.com currently publishes 2 mail exchange (MX) records. The primary MX is mx0a-001b2d05.pphosted.com, which is the first server contacted when other mail systems try to deliver email to a hashicorp.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 hashicorp.com.
Does hashicorp.com use SPF, DKIM, and DMARC email authentication?
hashicorp.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 @hashicorp.com is genuine, and hashicorp.com's DMARC policy of 'reject' instructs receivers how to handle messages that fail those checks.
Why do emails to hashicorp.com bounce or get blocked?
Bounces from hashicorp.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 hashicorp.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 hashicorp.com's receivers trust you.
How can I verify a large list of hashicorp.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of hashicorp.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, hashicorp.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 hashicorp.com email addresses?
Yes, with normal hygiene. hashicorp.com is a legitimate email service and signups from @hashicorp.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 hashicorp.com by default.
What email format does hashicorp.com use for usernames?
Most hashicorp.com mailboxes follow common patterns like first.last@hashicorp.com, firstinitiallast@hashicorp.com, or first@hashicorp.com, but the actual local-part rules depend on HashiCorp Inc.. The only reliable way to confirm whether a specific @hashicorp.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 hashicorp.com risk score calculated?
The 0-to-100 risk score for hashicorp.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 hashicorp.com score is recomputed on every audit so it always reflects the live state of the domain.
Is hashicorp.com a valid email domain?
Yes, hashicorp.com is the official corporate email domain for HashiCorp Inc.. It is used for internal business communications.
Is hashicorp.com a disposable or temporary email provider?
No, hashicorp.com is a corporate email domain belonging to HashiCorp Inc., used exclusively by employees and authorized personnel.
What mail server does hashicorp.com use?
hashicorp.com uses enterprise-grade mail infrastructure. Check the MX records section for specific mail server details.
Can I send marketing emails to hashicorp.com addresses?
B2B marketing to hashicorp.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 hashicorp.com?
Corporate domains like hashicorp.com may use catch-all configurations that accept all addresses. Use BulkEmailChecker advanced verification to detect catch-all behavior and validate individual mailboxes.