Domain > www.cs2n.org

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DNS Resolutions

Date	IP Address
2019-02-22	3.86.125.157 (ClassC)
2025-07-24	3.33.148.61 (ClassC)

HTTP/1.1 200 OKCache-Control: max-age0, private, must-revalidateContent-Length: 16694Content-Type: text/html; charsetutf-8Etag: W/3018fa6c085df880f258d8c6447781dbNel: {report_to:heroku-nel,response_headers:Via,max_age:3600,success_fraction:0.01,failure_fraction:0.1}Report-To: {group:heroku-nel,endpoints:{url:https://nel.heroku.com/reports?syxKYpvrPYv9R%2F9aYo8%2FGzQzBy6jslhcyyhMapTDrhos%3D\u0026sidaf571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts1753370563},max_age:3600}Reporting-Endpoints: heroku-nelhttps://nel.heroku.com/reports?syxKYpvrPYv9R%2F9aYo8%2FGzQzBy6jslhcyyhMapTDrhos%3D&sidaf571f24-03ee-46d1-9f90-ab9030c2c74c&ts1753370563Server: HerokuSet-Cookie: _cs2n_production_sessionzri%2F%2B%2FcqsYBLpRne94zu6zJxcFu7kUbkCgQWAIix0VvQ%2BqmG9Hmu3LQNRgsQjz%2Br6fvORIlDRjq8UQ17oUJbDN5fObyQ23OUSZIa4C7B3QreydNsSLuyUo99TaoGtPt7A8AD6AI61KJBp2g%2BjjwuqVv%2FUUeLF25DOBmnuSi4HjSus9BHoAlb0DdcLJ7Sqx37OPGJvo4gulTJxpp3QUDoo5Fyoje5WBnfjOo%2Fso4l%2Fy8%2FOI5npKGbuWgNSSU6WAcn%2BtCSNH6uITLuI5zGFsD93k%2FjXvuKlVcktLIRhC2QqLyv7QkeXOX%2BmMbKP0hwQspiWFsAV56DZldJGxoIhR1XgdBDlLbgUNvOfNpu45QP%2BtuFALRDa69i44%2BJ4y3R5df9orn3rqYplvcHWOlK7uIcp34B--BlK3KnqElhMUtf5c--YIIezGG%2BWdKVRhALjdr%2BnA%3D%3D; domain.cs2n.org; path/; expiresFri, 25 Jul 2025 15:22:44 GMT; secure; HttpOnly; SameSiteLaxStrict-Transport-Security: max-age63072000; includeSubDomainsVary: Accept, OriginVia: 1.1 heroku-routerX-Frame-Options: SAMEORIGINX-Request-Id: 95896843-9a77-902b-7a28-377986da4ab3X-Runtime: 0.417585Date: Thu, 24 Jul 2025 15:22:44 GMT

!DOCTYPE html>html langen>head>meta namecsrf-param contentauthenticity_token />meta namecsrf-token content0jQKiBoT1A5/9Qem1em6HqpkwWnY7xqn6Y+6cBT7GX5/aB6xP93bMurmcg5bv2WyUJAnTxBV4PVT8wfSmqhn0Q />link hrefhttps://s3.amazonaws.com/cs2n/assets/icons/favicon.ico relicon>meta charsetutf-8>meta contentwidthdevice-width, initial-scale1.0 nameviewport>meta contentg6jTPneJDafCCnzmxDW9RnVvdglEhb1maCFnJBf2zgc namegoogle-site-verification>title>CS-STEM Network/title>!-- Google Analytics Tag -->!-- Google Tag Manager -->script>(function(w,d,s,l,i){wlwl||;wl.push({gtm.start:new Date().getTime(),event:gtm.js});var fd.getElementsByTagName(s)0,jd.createElement(s),dll!dataLayer?&l+l:;j.asynctrue;j.srchttps://www.googletagmanager.com/gtm.js?id+i+dl;f.parentNode.insertBefore(j,f);})(window,document,script,dataLayer,GTM-TC6HHK);/script>!-- End Google Tag Manager -->link relstylesheet mediascreen hrefhttps://d333ajlu842pfy.cloudfront.net/assets/application-f4024c6f644f3425436007018b3a7f742da1772171d3cbd246ba2422e7544bc0.css />!-- Google Font -->link relstylesheet mediascreen href//fonts.googleapis.com/css2?familyRoboto+Slab:wght@100;200;300;400;500;600;700;800;900&familyRoboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&displayswap />link relstylesheet mediascreen hrefhttps://d333ajlu842pfy.cloudfront.net/packs/css/application-c6cb6128.css />!-- Boxicons CSS -->link relstylesheet mediascreen hrefhttps://cdnjs.cloudflare.com/ajax/libs/boxicons/2.1.4/css/boxicons.min.css />!-- Others -->script srchttps://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/crypto-js.min.js>/script>script srchttps://cdnjs.cloudflare.com/ajax/libs/iframe-resizer/3.6.3/iframeResizer.js>/script>script srchttps://cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js>/script>script srchttps://d333ajlu842pfy.cloudfront.net/assets/vendor/modernizr-5a1cfa71016a019e8737896c1d175e712473a399c98a6ec2390efd3b2f498e6b.js>/script>script srchttps://d333ajlu842pfy.cloudfront.net/assets/application-7c49e304771b5d0bbd9223740cdb42858e062f94c036427997812d2d6e6092e7.js data-turbolinks-tracktrue>/script>script srchttps://d333ajlu842pfy.cloudfront.net/packs/js/application-805c313fed388e526f2b.js>/script>script>  window.action_url  wss://cs2n-cable.cs2n.org/;/script>/head>body idbody>!-- Google Tag Manager (noscript) -->noscript>iframe srchttps://www.googletagmanager.com/ns.html?idGTM-TC6HHKheight0 width0 styledisplay:none;visibility:hidden>/iframe>/noscript>!-- End Google Tag Manager (noscript) -->header>div classscreen-s-down idnav-mobile>a classnav-logo href/>img classlogo srchttps://s3.amazonaws.com/cs2n/assets/logos/logo_cs-stemColorSma.png />div classlogo-title>CS2N/div>/a>a classnav-btn-premium nav-btn href/cmra_store>span>i classbx bxs-store-alt icon-medium>/i>/span>/a>a classnav-btn-signin nav-btn target_blank hrefhttps://www.cmu.edu/roboticsacademy/Training/>span>i classbx bxs-graduation icon-medium>/i>/span>/a>div classnav-right>div classmobile-nav-dropdown>a classmobile-nav-dropdown-btn>i classbx bx-menu icon-large>/i>/a>div classmobile-nav-dropdown-content>a classnav-btn-signup href/sign_up>Sign up/a>a classnav-btn modal-btn data-reveal-modalsignIn href#>Sign in/a>a classnav-btn href/curriculum>Curriculum/a>a classnav-btn href/premium>span>i classbx bxs-bookmark icon-medium>/i>CS2N Premium/span>/a>/div>/div>/div>/div>div classscreen-m-up idnav>a classnav-logo href/>img classlogo srchttps://s3.amazonaws.com/cs2n/assets/logos/logo_cs-stemColorSma.png />div classlogo-title>CS-STEM Network/div>/a>a classnav-btn-premium href/cmra_store>span>i classbx bxs-store-alt icon-medium>/i>Digital Store/span>/a>a classnav-btn-signin target_blank hrefhttps://www.cmu.edu/roboticsacademy/Training/>span>i classbx bxs-graduation icon-medium>/i>Teacher Training/span>/a>div classnav-right>a classnav-btn target_blank hrefhttps://www.cmu.edu/roboticsacademy/Training/certificationsv2.html>Certifications/a>a classnav-btn href/curriculum>Curriculum/a>a classnav-btn-signin modal-btn data-reveal-modalsignIn href#>Sign in/a>a classnav-btn-signup href/sign_up>Sign up/a>/div>/div>/header>div classmodal idsignIn>div classmodal-content>div classmodal-header text-center>img width180 srchttps://s3.amazonaws.com/cs2n/assets/logos/logo_cs-stemColorSma.png />span classclose>i classbx bx-x icon-large>/i>/span>/div>div classmodal-body>h1 classtext-center>Sign into CS2N/h1>div classf-col-s12 padless>div classflex f-justify-center>div classf-col-s12-m9>form classnew_user idnew_user action/users/sign_in accept-charsetUTF-8 methodpost>input typehidden nameauthenticity_token valueYKziPbRHJgyJ1D/hoOV1JF6xKP++IVp1fqrAQpOj98p1b/TsGa/9pFWGGbhh5j70QxfK/UmU1QGUC7XnqgxHNg />input placeholderLogin typetext nameuserlogin iduser_login />input placeholderPassword typepassword nameuserpassword iduser_password />div classflex>input typesubmit namecommit valueSign in classbtn radius-left expand data-disable-withSigning in... />a classbtn btn-success radius-right expand href/sign_up>Sign up new account/a>/div>hr>div classflex>a classbtn btn-google expand padless radius m-top-1 drop-shadow relnofollow data-methodpost href/users/auth/google_oauth2>div classf-col-s4 flex f-justify-end>img srchttps://cs2n.s3.amazonaws.com/assets/logos/google-logo-24px.svg.png />/div>div classf-col-s8 flex text-left>Sign in with Google/div>/a>/div>p classtext-center m-top-0>By signing in, you agree to ourbr>a href/tos>Terms of Service/a>anda href/privacy>Privacy Policy/a>/p>div classflex>a classbtn btn-secondary radius-left expand href/password_resets/new>Forgotten password?/a>/div>/form>/div>/div>/div>/div>/div>/div>div classcontent>!-- / ID before row because of full-width background -->div classcard-bg-bluegreen-splash idimage-info-card>div classf-view>div classf-row>div classf-col-s4 text-center>img width180 srchttps://s3.amazonaws.com/cs2n/assets/logos/logo_cs-stemColorSma.png />/div>div classf-col-s7>div classtrans-textbox text-center>h1 classm-bottom-0>The CS-STEM Network/h1>p classmarginless>bya target_blank hrefhttps://www.cmu.edu/roboticsacademy>Carnegie Mellon Robotics Academy/a>/p>hr>p>A Learning Management System offering research-backed Roboticsbr>curriculum for popular platforms such as LEGO, VEX, and Arduino./p>/div>/div>div classf-col-1> /div>/div>/div>/div>div idstat-card>div classf-view>div classf-row>div classf-col-s12-m3 text-center>h1 classsecondary-text marginless timer data-from0 data-refresh-interval50 data-speed2500 data-to145>/h1>div classsecondary-text>Badged Tracks/div>/div>div classf-col-s12-m3 text-center>h1 classsecondary-text marginless timer data-from0 data-refresh-interval50 data-speed2500 data-to153615>/h1>div classsecondary-text>Badges Completed/div>/div>div classf-col-s12-m3 text-center>h1 classsecondary-text marginless timer data-from0 data-refresh-interval50 data-speed2500 data-to2145722>/h1>div classsecondary-text>Achievements Awarded/div>/div>div classf-col-s12-m3 text-center>h1 classsecondary-text marginless timer data-from0 data-refresh-interval50 data-speed2500 data-to26272>/h1>div classsecondary-text>Certified Users/div>/div>/div>/div>/div>script>  $(.timer).countTo();/script>div classf-view card-bg-splatter>div classf-row>div classf-col-s3 marginless text-center>img altRobot Platforms height440px classtraining-stacks srchttps://cs2n.s3.amazonaws.com/assets/home/home-pd-photo-stack-1.png />/div>div classf-col-s6 trans-textbox margin-top-2>h2 classtext-center primary-text>Teacher Training/h2>h3 classtext-center>Unlock your potential to teach STEM and Robotics with the worlds leading robotics education program. Get hands-on training using popular robotics platforms and become a certified educator with the Carnegie Mellon Robotics Academy./h3>div classf-col-s1>/div>div classf-col-s10>a target_blank classbtn radius hrefhttps://www.cmu.edu/roboticsacademy/Training/index.html>i classbx bx-link-external icon-medium>/i>Register for training today!/a>/div>div classf-col-s1>/div>p classtext-center>img altRobot Platforms width100% srchttps://cs2n.s3.amazonaws.com/assets/home/home-pd-robots.png />/p>/div>div classf-col-s3 text-center>img altRobot Platforms height440px classtraining-stacks srchttps://cs2n.s3.amazonaws.com/assets/home/home-pd-photo-stack-2.png />/div>/div>/div>div idinfo-card-dark>div classf-view>div classf-row>div classf-col-s12-m7>h2 classm-top-0 primary-text>Learn with virtual robots!/h2>p>No robot? Weve got you covered!b>Virtual Robot Curriculum/b>features a programming interface and virtual SPIKE, VICE, and EV3 robot embedded directly within the curriculum./p>p>Follow along with the included videos, animations, challenges, and step-by-step lessons using a fully virtual solution. The CS-STEM Network saves all of your progress, including your programs for the virtual robot./p>div classf-col-s6>a classbtn radius target_blank relnofollow data-methodpost hrefhttps://www.cmu.edu/roboticsacademy/roboticscurriculum/virtual_curriculum/>Learn more about thebr>available virtual curriculum/a>/div>div classf-col-s6>a classbtn radius relnofollow data-methodpost href/u/tracks?track_id509>Try out the availablebr>virtual curriculum!/a>/div>/div>div classf-col-s12-m5>img width100% srchttps://cs2n.s3.amazonaws.com/assets/home/virtual-course-reel.gif />/div>/div>/div>/div>div classcard-bg3 idimage-info-card>div classf-view>div classf-row>div classf-col-s12-m8>div classtrans-textbox>h2>Carnegie Mellon Robotics Academy Certifications/h2>p>Certifications offered through the CS-STEM Network certifies individuals who have gained the competencies through Carnegie Mellon Robotics Academys (CMRA) training programs (whether that is through a Certified Teacher, or a student who is certified through a Certified Teacher). Successful Certified Teachers earn an official certification from Carnegie Mellon Robotics Academy (which can be used apply for continuing education credits for teachers) and are eligible to certify students./p>p>b>Available are:/b>ul>li>Certifications for K-12 educators and students for Coding and Computational Thinking with popular robotics platforms like the LEGO SPIKE Prime, VEX IQ, and VEX V5./li>li>Micro-Certifications for Robotics Technician skills (the SMART Robotics Technician program)/li>li>Micro-Certifications for participants of participating robotics competitions that wish to have their students earn credentials for participating in the competitions./li>/ul>/p>div classflex f-justify-center>a classbtn radius target_blank hrefhttps://www.cmu.edu/roboticsacademy/Training/certificationsv2.html>i>/i>Learn more about CMRA Certifications/a>/div>/div>/div>div classf-col-s12-m4 text-center>p>/p>br>br>div classclearfix>/div>img altIcon for Create Account width80% classtext-center srchttps://cs2n.s3.amazonaws.com/assets/home/icon_certificate.png />/div>/div>/div>/div>div classf-view>div classf-row>div classf-col-s12>h2 classmarginless>How to get started with CS2N/h2>/div>div classf-col-s4>div classf-col-s12 text-center>img altIcon for Courses width100px classtext-center srchttps://cs2n.s3.amazonaws.com/assets/home/icon_light_bulb.png />/div>p>CS2N offers a variety of free robotics curriculum and virtual robot curriculum (must be purchased per student) developed by the Carnegie Mellon Robotics Academy that features popular robotics platforms. Take a look through the courses!/p>a classbtn radius marginless expand href/curriculum>Explore our curricula/a>/div>div classf-col-s4>div classf-col-s12 text-center>img altIcon for Create Account width100px classtext-center srchttps://cs2n.s3.amazonaws.com/assets/home/icon_account.png />/div>p>You can browse through oura href/curriculum>available curriculum/a>for free! You can also create a free, basic account, which allows you to save progress through the courses, and also track progress of a Group of students. Click below to begin creating an account!/p>a classbtn radius marginless expand href/sign_up>Create a FREE account/a>/div>div classf-col-s4>div classf-col-s12 text-center>img altIcon for Get Started width100px classtext-center srchttps://cs2n.s3.amazonaws.com/assets/home/icon_go.png />/div>p>We have a Getting Started area which contains tutorial videos to walk you through how to Create a Group, Add activities to a group, Manage Virtual Licenses, Manage Certificates, and more. Take a look through now!/p>a classbtn radius relnofollow data-methodpost href/u/tracks?track_id515>Watch the Getting Started tutorials/a>/div>/div>/div>/div>div classclearfix>/div>/body>a classbtn btn-info radius-corner-br corner-br marginless target_blank href/support/contact>i classbx bxs-help-circle>/i>Contact Us/a>footer>div classf-view>div classf-row>div classf-col-s6-m3-l2>h3 classmarginless>CS2N/h3>a relnofollow data-methodpost href/u/tracks?track_id509>Virtual Activities/a>a href/curriculum>Curriculum/a>a href/catalog>Catalog/a>a target_blank hrefhttps://www.cmu.edu/roboticsacademy/Training/certificationsv2.html>Certifications Info/a>/div>div classf-col-s6-m3-l2>h3 classmarginless>For Teachers/h3>a relnofollow data-methodpost href/u/tracks?track_id515>Getting Started/a>a href/premium>CS2N Premium/a>a href/google_classrooms>Google Classrooms/a>a target_blank hrefhttps://www.cmu.edu/roboticsacademy/Research/index.html>Research/a>a target_blank hrefhttps://www.cmu.edu/roboticsacademy/Training/>Teacher Training/a>/div>hr classscreen-s-down>div classf-col-s6-m3-l2>h3 classmarginless>About Us/h3>a target_blank href/support/contact>Contact/a>a href/about>History/a>a target_blank hrefhttps://www.cmu.edu/roboticsacademy/about/team.html>Team/a>a href/tos>Terms/a>a href/privacy>Privacy/a>a href/compliance>Compliance/a>/div>div classf-col-s6-m3-l2>h3 classmarginless>Follow Us/h3>a target_blank hrefhttps://www.cmu.edu/roboticsacademy/news/index.html>News/a>a target_blank hrefhttps://www.facebook.com/CMURoboticsAcademy/?frefts>Facebook/a>a target_blank hrefhttps://twitter.com/CMUCMRA>Twitter/a>a target_blank hrefhttps://www.youtube.com/user/RoboticsAcademy>Youtube/a>/div>hr classscreen-s-down>div classf-col-s12-l4>h3 classmarginless>Donate to support the mission!/h3>p classmargin-top-0>The Carnegie Mellon Robotics Academy has been providing free curricula and resources for Robotics Education for over 20 years. We hope that you find the courses, games, teaching tools, and other resources useful! We appreciate any help that you can provide to help sustain our mission!/p>div classflex f-justify-center>a classbtn radius expand target_blank hrefhttps://givenow.cmu.edu/scs/?a8606842&designationcarnegiemellonroboticsacademy>i>/i>Donate/a>/div>/div>div classf-col-s12>h3 classtext-center>i classbx bxs-copyright>/i>2025 Carnegie Mellon University. All rights reserved./h3>/div>/div>/div>/footer>div classclearfix>/div>/html>

Subdomains

Date	Domain	IP
bouldermath.cs2n.org	2024-05-16	99.84.66.42
curriculum.cs2n.org	2015-03-23	54.231.17.68
cmra-blocks.cs2n.org	2025-01-11	18.161.6.71
www.cs2n.org	2025-07-24	3.33.148.61

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