Domain Intelligence
Last Updated:
Jetbrains.com
Safe to Send
Jetbrains.com is operated by JetBrains s.r.o.. The domain runs 5 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.
Safe to Send
RISK
17
/100
Low
Verify Mailbox
Verify @jetbrains.com emails
Live SMTP handshake against jetbrains.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
Catch-all detection alone has paid for the subscription. We were hemorrhaging credits at our previous verifier on catch-all domains that accepted the call but never bounced. Saved roughly $400 per month overnight. Brett Anderson · RevOps Manager
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
5
Mail exchangers
Mail Exchange (MX) Records for jetbrains.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.
#1
aspmx.l.google.com 142.250.31.27
Reachable
#5
alt1.aspmx.l.google.com 108.177.123.26
Reachable
#5
alt2.aspmx.l.google.com 172.253.116.26
Reachable
#10
alt4.aspmx.l.google.com 173.194.76.26
Reachable
#10
alt3.aspmx.l.google.com 192.178.223.27
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 mx.google.com ESMTP d75a77b69052e-5148e828692si100619241cf.162 - gsmtp
Primary mail server accepted SMTP connection and returned a banner during the live audit.
jetbrains.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 ip4:46.137.178.215 ip4:185.28.196.44 include:_spf.google.com include:mail.zendesk.com include:app.sgizmo.com include:_spf_jpf.jetbrains.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.
Missing
No DKIM signature detected on common selectors for jetbrains.com.
No DKIM signature was detected. Receivers cannot verify the integrity of outbound mail.
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; pct=100; rua=mailto:dmarc-rua@jetbrains.com,mailto:re+bev7vm33l2z@dmarc.postmarkapp.com; ruf=mailto:dmarc-ruf@jetbrains.com; fo=d; adkim=s; sp=reject;
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.
jetbrains.com Domain Registration WHOIS · Nameservers · Registrar
RegistrarNetwork Solutions, LLC
IANA ID2
RegisteredNovember 9, 2001
Last UpdatedAugust 31, 2023
ExpiresNovember 9, 2028
Age24 years
TLD.com
Authoritative Nameservers (4)
- NS-1701.AWSDNS-20.CO.UK
- NS-345.AWSDNS-43.COM
- NS-1519.AWSDNS-61.ORG
- NS-613.AWSDNS-12.NET
Registrant
Hidden by registrar privacy service
Technical Contact
Hidden by registrar privacy service
About this Domain
About jetbrains.com
JetBrains s.r.o. (jetbrains.com) is a software development company headquartered in Prague, Czech Republic. JetBrains develops integrated development environments (IDEs) and developer tools including IntelliJ IDEA, PyCharm, WebStorm, and the Kotlin programming language. JetBrains tools are used by millions of developers worldwide.
JetBrains implements email authentication on the jetbrains.com domain with SPF, DKIM, and DMARC enforcement. As a developer tools company, JetBrains faces phishing threats from campaigns impersonating license renewal notices, IDE update alerts, and developer community notifications.
Email verification against jetbrains.com returns definitive responses for valid and invalid mailboxes. The domain does not operate as catch-all. JetBrains' mail infrastructure implements rate limiting on inbound SMTP connections.
For partners communicating with JetBrains employees, proper sender authentication is important. JetBrains' corporate email filters enforce SPF, DKIM, and DMARC validation. Full authentication compliance ensures reliable inbox delivery to jetbrains.com addresses.
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Common Questions About jetbrains.com
Is jetbrains.com a disposable or temporary email provider?
No. jetbrains.com is not a disposable email provider. It is classified as Corporate Email operated by JetBrains s.r.o. and addresses on jetbrains.com are persistent rather than throwaway. Mail sent to a valid jetbrains.com mailbox reaches a real recipient.
How do I verify if a jetbrains.com email address is valid?
The fastest way to verify a jetbrains.com email address is to use our free email checker. Enter any @jetbrains.com mailbox at the top of this page and our system performs a real-time SMTP handshake against jetbrains.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 jetbrains.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to jetbrains.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 jetbrains.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for jetbrains.com?
jetbrains.com currently publishes 5 mail exchange (MX) records. The primary MX is aspmx.l.google.com, which is the first server contacted when other mail systems try to deliver email to a jetbrains.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 jetbrains.com.
Does jetbrains.com use SPF, DKIM, and DMARC email authentication?
jetbrains.com has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: reject). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate jetbrains.com mail.
Why do emails to jetbrains.com bounce or get blocked?
Bounces from jetbrains.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 jetbrains.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 jetbrains.com's receivers trust you.
How can I verify a large list of jetbrains.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of jetbrains.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, jetbrains.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 jetbrains.com email addresses?
Yes, with normal hygiene. jetbrains.com is a legitimate email service and signups from @jetbrains.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 jetbrains.com by default.
What email format does jetbrains.com use for usernames?
Most jetbrains.com mailboxes follow common patterns like first.last@jetbrains.com, firstinitiallast@jetbrains.com, or first@jetbrains.com, but the actual local-part rules depend on JetBrains s.r.o.. The only reliable way to confirm whether a specific @jetbrains.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 jetbrains.com risk score calculated?
The 0-to-100 risk score for jetbrains.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 jetbrains.com score is recomputed on every audit so it always reflects the live state of the domain.
Is jetbrains.com a valid corporate email domain?
Yes, jetbrains.com is the official corporate email domain for JetBrains s.r.o.. It is used for internal business communications and is not available for public registration.
Is jetbrains.com a disposable or temporary email provider?
No, jetbrains.com is a corporate email domain belonging to JetBrains s.r.o., used exclusively by employees and authorized personnel.
What mail server does jetbrains.com use?
jetbrains.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.
Can I send marketing emails to jetbrains.com addresses?
B2B marketing to jetbrains.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 jetbrains.com?
Corporate domains like jetbrains.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.