janestreet.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 6496 ms crawled 2026-05-18

US · 13.248.239.113 · AS16509 Amazon.com, Inc.

Reputation 100/100

sector tech type homepage

HTML metadata

Title: Home :: Jane Street
Description: Jane Street is a quantitative trading firm and liquidity provider with a unique focus on technology and collaborative problem solving.
Language: en

Technology

Server: nginx
CMS: Gatsby

Analytics

Google Tag Manager

Third-party hosts loaded (2)

fast.wistia.net×4
www.googletagmanager.com×2

Contact

Address: Street is an Equal Opportunity Employer© 2026

Registration

Registrar

MarkMonitor Inc.

Created

2003-01-11

Expires

2028-01-11 601 days left

Updated

2026-04-17

Name servers

ns-1215.awsdns-23.org
ns-1819.awsdns-35.co.uk
ns-501.awsdns-62.com
ns-613.awsdns-12.net

DNS records live

NS

ns-1215.awsdns-23.org
ns-1819.awsdns-35.co.uk
ns-501.awsdns-62.com
ns-613.awsdns-12.net

MX

10 mxin1.mail.janestreet.com
10 mxin2.mail.janestreet.com
10 mxin3.mail.janestreet.com
10 mxin4.mail.janestreet.com

TXT

Show 20 TXT records

_4tuir5rkiga8i5wvho3t2brhssiltnw
fxb7jqkw4y2k2dl22tfm6vdz1dxw2rs4
canva-site-verification=DOBZuEg-utLOzfmE2427DA
security_contact=mailto:security-txt-ea6d70@janestreet.com
00D40000000Mzos=1TBPK00000000Pp
jamf-site-verification=T00q6fdYWgzHJcw3O6QK6g
adobe-sign-verification=e0c7f457a2c211021e8b7028ddf8a770
sterling-domain-verification=a4014a90cc2b4f7a8408e324283e96a6
slack-domain-verification=CS4d25GXHEkYncSMArj1YB7GmY6Tb1d0PvCH28o7
google-site-verification=A6LUH6cnfW5sYTr0INx_bV4lI2NWKJ6I9w4_0Epum7Y
atlassian-domain-verification=r9oLqXP1JpiBGHoDxohmjvNyysRGPnPfz3Hda1mpYWgL/jc2tcmEeHGDNJioAEMD
goodnotes-verification=45639188-7d16-417a-b272-dd714f748430
figma-domain-verification=776c503e3c6ceb675e7340a0819dd59a912de8e45105c6bc17ae68b537bf17a0-1741618525
adobe-idp-site-verification=6fcf8cf7306c175e36f705c53a3891c98e9b0db928234c0986842bc66a88de7a
cisco-ci-domain-verification=51449fb45ce25667ce39943677a9d5629fa108cf92cf4ee8bd609c9f7949936e
MS=ms95726908
smartsheet-site-validation=IGQuKGpF13IuzFsgbTvKb4BMYfxYVpFw
uber-domain-verification=dc610b3f-750e-4d16-82e7-a8cd5e042fe5
00DO800000NGrHd=1TBO80000000jwP
anthropic-domain-verification-1tvja2=TClVsR6hNQVZUIsw0Sc7y6xLv

Email authentication strong

SPF

v=spf1 +ip4:38.105.200.78 +ip4:38.105.200.79 +ip4:64.215.233.18 +ip4:64.215.233.21 include:bloomberg.net include:_spf.google.com include:aspmx.pardot.com -all

strict (-all)

DMARC

v=DMARC1;p=quarantine;rua=mailto:dmarc-reports-aggregate@janestreet.com; ruf=mailto:dmarc-reports-failure@janestreet.com;

policy: quarantine

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDZr8DcbuZ/BsBrNh7kyYIM6tO3Z4P3UQKuyKSN9nFmPlCmkYu7A6zm+069O3iwNUvyHwk+n67KyNzA6mC4B4…
smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…

selectors probed

Certificate (current)

Amazon RSA 2048 M01

from 2025-09-10 to 2026-10-10

Expires in 143 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.janestreet.com/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload

Links to (2)

signalsandthreads.com×4
finra.org×4