Domain Intelligence
Last Updated:
Jackinthebox.com
Safe to Send
Jackinthebox.com is operated by Jack in the Box Inc.. The domain runs 2 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.
Safe to Send
RISK
27
/100
Low
Verify Mailbox
Verify @jackinthebox.com emails
Live SMTP handshake against jackinthebox.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
We had a sender reputation crisis after a list import went badly. Used the bulk verifier to scrub everything, then plugged the API into our signup form. Took deliverability from 73% to 96% over six weeks. Sarah Knowles · Email Marketing Lead
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 jackinthebox.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.
#10
us-smtp-inbound-2.mimecast.com 170.10.128.242
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; Tue, 12 May 2026 00:10:35 -0400
Primary mail server accepted SMTP connection and returned a banner during the live audit.
jackinthebox.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 mx ip4:98.190.224.9 ip4:98.190.224.15 ip4:64.187.215.35 ip4:173.197.201.5 ip4:173.197.201.6 ip4:64.187.215.60 include:spf.messagelabs.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf_c.oraclecloud.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 jackinthebox.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.
None
TXTv=DMARC1; p=none; rua=mailto:dmarcreports@Jackinthebox.com
Monitoring only. Receivers take no action when SPF or DKIM fails.
jackinthebox.com Domain Registration WHOIS · Nameservers · Registrar
RegistrarGoDaddy.com, LLC
IANA ID146
RegisteredOctober 8, 1995
Last UpdatedOctober 9, 2025
ExpiresOctober 8, 2026
Age30 years
TLD.com
Authoritative Nameservers (4)
- NS-1297.AWSDNS-34.ORG
- NS-1815.AWSDNS-34.CO.UK
- NS-523.AWSDNS-01.NET
- NS-40.AWSDNS-05.COM
Registrant
Hidden by registrar privacy service
Technical Contact
Hidden by registrar privacy service
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Common Questions About jackinthebox.com
Is jackinthebox.com a disposable or temporary email provider?
No. jackinthebox.com is not a disposable email provider. It is classified as Corporate Email operated by Jack in the Box Inc. and addresses on jackinthebox.com are persistent rather than throwaway. Mail sent to a valid jackinthebox.com mailbox reaches a real recipient.
How do I verify if a jackinthebox.com email address is valid?
The fastest way to verify a jackinthebox.com email address is to use our free email checker. Enter any @jackinthebox.com mailbox at the top of this page and our system performs a real-time SMTP handshake against jackinthebox.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 jackinthebox.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to jackinthebox.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 jackinthebox.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for jackinthebox.com?
jackinthebox.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 jackinthebox.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 jackinthebox.com.
Does jackinthebox.com use SPF, DKIM, and DMARC email authentication?
jackinthebox.com has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: none). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate jackinthebox.com mail.
Why do emails to jackinthebox.com bounce or get blocked?
Bounces from jackinthebox.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 jackinthebox.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 jackinthebox.com's receivers trust you.
How can I verify a large list of jackinthebox.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of jackinthebox.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, jackinthebox.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 jackinthebox.com email addresses?
Yes, with normal hygiene. jackinthebox.com is a legitimate email service and signups from @jackinthebox.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 jackinthebox.com by default.
What email format does jackinthebox.com use for usernames?
Most jackinthebox.com mailboxes follow common patterns like first.last@jackinthebox.com, firstinitiallast@jackinthebox.com, or first@jackinthebox.com, but the actual local-part rules depend on Jack in the Box Inc.. The only reliable way to confirm whether a specific @jackinthebox.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 jackinthebox.com risk score calculated?
The 0-to-100 risk score for jackinthebox.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 jackinthebox.com score is recomputed on every audit so it always reflects the live state of the domain.
Is jackinthebox.com a valid corporate email domain?
Yes, jackinthebox.com is the official corporate email domain for Jack in the Box Inc.. It is used for internal business communications and is not available for public registration.
Is jackinthebox.com a disposable or temporary email provider?
No, jackinthebox.com is a corporate email domain belonging to Jack in the Box Inc., used exclusively by employees and authorized personnel.
What mail server does jackinthebox.com use?
jackinthebox.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.
Can I send marketing emails to jackinthebox.com addresses?
B2B marketing to jackinthebox.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 jackinthebox.com?
Corporate domains like jackinthebox.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.