Valid HTTPS, the site answered 200 in 532 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 129.105.136.48 |
|---|---|
| AAAA | 2620:10d:2060:1130::11 |
| MX | 10 evcspprf10.ads.northwestern.edu 10 chcspprf11.ads.northwestern.edu 10 chcspprf12.ads.northwestern.edu 10 evcspprf12.ads.northwestern.edu 10 evcspprf11.ads.northwestern.edu 10 chcspprf10.ads.northwestern.edu |
| NS | cicada.northwestern.edu accuvax.northwestern.edu |
| TXT | 1password-site-verification=37SGZIVTRVEL5DQTSUWO3L5NGE amazonses:7r2Zk09xSsTpfnWKtxmYJqXsJOGSGsquQGrckxhTLUI= 1password-site-verification=5LTWPARKRBBYFFHRDL5FNG6XPU heroku-domain-verification=eaplc3aun11qelkdtsldjhphtxd8e9lxgynivu8r7ou amazonses:PD1svM8Ux6TaXc7Gzh7bEKYK8ki2nt1gzZx0bKpaJPg= d365mktkey=xt1hLB4gw2T7iFXV1iYLC9PcsJFRuG4N5XyxNxSz5WIx 1password-site-verification=FHHJ25J2EJCEPF2TFPIKLM5G4E e2ma-verification=mqrbb 1password-site-verification=TU2TZZQDJVEHPEYIWMLMTHLGMY sending_domain1034433=38ebc148ddd6039c4b9d6043bc7639f7d7a09ffc1a1030e844cbb7edd944bfee 1password-site-verification=OX265AOAIVBPFAMBGIW2GWQR2A 1password-site-verification=PTN5AQVBWBGYFNCBRY3ABWCWQI z1/UwJH/ACUtQQU6LldIrY1Eo4JoYmP6PzLTvoYOXUkfNU3SaGeFOy4Prq5nqZexEdorFsis8SbVg1eDKiOZag== 1password-site-verification=5BFPFETXOFGHXJ4RLIUXMOWWAQ facebook-domain-verification=onibrcw94iuga1gf51xsl4wb89nv9o anthropic-domain-verification-xcjg3s=3mRAilvtTZq8dbu8lLGT8E0Qx amazonses:8oZtwYE9ip7ShHqAmkO/bCOQbr1zqwQ9D3DcOdg6eMg= amazonses:eKCoAQOpP+sWBz54nKIZTfjnWJSS7Nrflp9ziIraP1M= miro-verification=200d2c47a8bcbd759c1b54e2715daa85dbc6e448 d365mktkey=3sx0ueFpqdoj3WBJf0sx4NhmncxBrQHo9qfNx4D1jMAx 1password-site-verification=SD2NGGG6C5E4LDJHRTQAFXA6MQ google-site-verification=8WyWoINKNlsTuf2nWYi3vb7iiyPwBep9YvBG6m4o1fQ 1password-site-verification=CGRE2PDYLRBOPFFIW46T6ITZYI google-site-verification=oSfSWkOtx6qxEyIh15y43gPJ3HY5TMzWpXPc8gew-pM asv=cfc3f98f8ecde55ff68bb5d1d3c9280b 1password-site-verification=XBTJB3U3IFGHPEWXCACUAXB77U 1password-site-verification=0X265A0AIVBPFAMBGIW2GWQR2A 1password-site-verification=JNDWUQBTNVAGPMP5KESXD2U5NI YGYOruiy8pETwHEIOqAxFqY0wQbWKOhNjDkQXaXA3t2Ex/NYFfivOcWsEEd3jXH24fz6WwpwosapqWwvh+S5Cg== GaaAAULeTS9jjsu8F6mnX3ZtjSWjd/4YW3LyLKdCE1wB9CVQHUTgERxcJ2W3OLTXEOPo9qD8gstLcMwk0HfZRQ== d365mktkey=0V7CjmQsFv6Bhv1cVfQkZjAr5uRh26ZrHORSsm4uYz8x MpF/pxyIbd2TGsQKh57kf3ecv4SfRiMZIudiD7pUaY8ZAaL6cY47o16zJFiENVSGQ7nrVt9Pyb0s0nfgFG+hjg== brevo-code:5deda3e5d370ee66c342fbd5f975e89e apple-domain-verification=KNwL7NSAK2SpsRMu 1password-site-verification=ICSJFLU7YNDGRGECMZAHXFGKTI v=spf1 include:_netblocks.northwestern.edu include:_thirdparty3.northwestern.edu include:_thirdparty4.northwestern.edu include:servers.mcsv.net include:cust-spf.exacttarget.com include:mail.zendesk.com include:et._spf.pardot.com ip4:176.31.145.254 ?all atlassian-domain-verification=5UNNdqF8FtPW6KPOLr5ya5M0lLuZdY3AKtzVgCnpjpHNMVoecOJUhzuSkeztd41E adobe-idp-site-verification=b6817dcc6d57aafd2993af9737558668d132a4f6c2be7bc6aa0513be91c29182 1password-site-verification=2HEV2OXQFJE55O4XLNVVLCVMLA 1password-site-verification=BR3MWXAWFNE27AURQLQ63WDRJI 1password-site-verification=25VQYL7S2BAO5NB32BKAGPSUMI jamf-site-verification=cywdLcHbxX4hK6mvnJi_Ng openai-domain-verification=dv-Y7A9HKKrMXlbkbRBky0WpzsB pardot_173702_*=aa8773dcb6a126024aa0b4c2fbdcd16f5ba0767a9bead5ce03e6cdfd04494bc1 1password-site-verification=F2YH372MGFEDZNBWE3RRX2M3HQ amazonses:DZsENA3kuW1mjc3jEvW6+z5hUO62mwUoT87pnzTaf2A= MS=ms15670620 google-site-verification=r9W0fGsMOzw5X38BEv4udKoovwUM7x4CI3fbP_T28wg 42ad5276f8c76e3aa7aba59f08c2388416602b49816bfe4f910c260d33542590 1password-site-verification=JSY6ASYAGZA43CH3XK6FK7JJ2Q canva-site-verification=0HSrTp1mGzQqUAr1nqBPRw GPPC1PK09AQ8LP26S3BFV2V13J 3B5A2CEB83C28A86AD88C9481760C0D4 docusign=a9a8c30b-5844-4a65-995e-459f94ba44cb atlassian-domain-verification=9blFnkdSnPAYZHHGZX7bcIPVdtxTze0WKZ8EWQpzVeX74ra810iAXszPRlgKacvI 1password-site-verification=TL5OF5SM3FD5DPZPFT6ZZ4JYDU cfc3f98f8ecde55ff68bb5d1d3c9280b pardot_300191_*=080f09c49e7eb64332fcc99a3e05ea6c5a0d00947a391c544c4256825ad2ee14 amazonses:0G1rTZw4h/ZJ8pnm67+KKxSL41IP0Ok7GZUZ7IF/kZc= google-site-verification=Ke5DeKRWATTA1LkfkALMOXZq_wInzgf4u46rI2nvQG4 heroku-domain-verification=lkzqcjtywk9y15oqajjfjhfsj3yzhttfsnntflhamg 1password-site-verif |
| valid | yes |
|---|---|
| issuer | Internet2 |
| covers | www.it.northwestern.edu, it.northwestern.edu, www.admindash.northwestern.edu, admindash.northwestern.edu, www.adminplan.crown.northwestern.edu, adminplan.crown.northwestern.edu, www.admissions.northwestern.edu, admissions.northwestern.edu, www.artscircle.northwestern.edu, artscircle.northwestern.edu, www.biology.northwestern.edu, biology.northwestern.edu |
| protocol | TLSv1.2 |
Domain is not signed with DNSSEC
| SPF | warning v=spf1 include:_netblocks.northwestern.edu include:_thirdparty3.northwestern.edu include:_thirdparty4.northwestern.edu include:servers.mcsv.net include:cust-spf.exacttarget.com include:mail.zendesk.com include:et._spf.pardot.com ip4:176.31.145.254 ?all |
|---|---|
| DMARC | warning policy none |
| DKIM | found: selector1, k1, s1, s2, mail |
Whether mail claiming to be from this domain can be checked as genuine.
Green: clean. Red: listed. Grey: the list did not answer.
Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.
MCP: add https://how.is/mcp to Claude, Codex or Cursor
(one-line install) and ask for domain_trust on northwestern.edu.
Reference: /llms.txt.
IPv6. Does northwestern.edu work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch northwestern.edu. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.
Watch — $1 / 30 days