On no blocklists we checked, valid HTTPS, the site answered 200 in 233 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 141.193.213.21 141.193.213.20 |
|---|---|
| MX | 10 utk-edu.mail.protection.outlook.com |
| NS | ns0229.secondary.cloudflare.com ns0076.secondary.cloudflare.com |
| TXT | 1FBA4C618A5FC026E7D3852D8C314E0B AppID=000000004403F81D airtable-verification=1c6ec55612f480e5ebd4667aa407cfa7 airtable-verification=97ab00d3a4d5395ef3b8ab9109d11926 airtable-verification=f5d25e2d4eca1e2a477b86256d7578aa anthropic-domain-verification-f3gzas=caXu5hPspzzXHBCA4Qra7w6Gk asv=57831f2c286069a481c4cde6419e2e94 asv_domain=b1dc29c790025117d5e9d53d14befa2e atlassian-domain-verification=E/aa1evPM8DMcHCBYKa5aYNFcGb2xiN/1UXwQBxp0RU27iXnfVV4X9T6LRmnMQ3a atlassian-sending-domain-verification=5e623233-4500-46a1-a55a-75cbe9c2ae52 brevo-code:59b3a18744d24f960bd78166f34f87c5 brevo-code:b1414e0a234265a2faa294058248ae06 brevo-code:f4c92962f6c2aceecdf31955e796811f cisco-ci-domain-verification=7830caa9e858f74cec92164cea7abd133d7edd4e1a8c91f0c590075bc4b2d78b cisco-ci-domain-verification=ae5f77e642e74e84b70692d03c218aa9e94685189797cf4ce768ca70996345e d365mktkey=Ebk9gyI7Fx6TLrrmCAWIVMlXR5ABY5HjXmyxfG5XO6Ex d365mktkey=Zr1nH1rTHDQEnKJxwOqxyJRIs007vern2r6kz7iqNVMx e2ma-verification=4o9fb e2ma-verification=6uhgb e2ma-verification=8mmgb e2ma-verification=a6agb e2ma-verification=elrgb e2ma-verification=h0rcb e2ma-verification=h5ogb e2ma-verification=k0bcb e2ma-verification=kopgb e2ma-verification=l2lgb e2ma-verification=l4ogb e2ma-verification=m4ogb e2ma-verification=nxggb e2ma-verification=p51fb e2ma-verification=popgb e2ma-verification=rbhgb e2ma-verification=uamgb e2ma-verification=x0bgb facebook-domain-verification=pz1wxno16roa6vhnf5cwjdutd77cy9 google-site-verification=8tZQSdqZeiu-BtcghAsA-evIGSAYzoKC7_LMPT3gdiM google-site-verification=bzhImlHKqhwGtEMn_0uiIp1N3zdOck_Sc8Jy__2914A jamf-site-verification=v4hasvq6tg-8S3MRX8pUSw jamf-site-verification=ylJD4ShoV_nqhPVKD3d6Dg lutron-domain-verification-xthcfw=1TyiXS8SiUWlUqXxD2gWFdQNm ms-domain-verification=86453d3c-ce1b-44ee-86b2-7e8ece34967b ms-domain-verification=a9ed5186-2091-4562-a5cb-7000f68388f8 ms-domain-verification=d7abc6cf-bc0c-44ec-a04d-798aeabb9cb2 ms-domain-verification=f8c8304d-eb43-4506-9776-003e47065443 sendinblue-code:eb2fb6443231409d09ac328174803566 smartsheet-site-validation=LNcSoioxqj00nuaBtnMf1i-d_SXYtspQ smartsheet-site-validation=_s37gwuX1hziyxvwyPAvDXyp_R5pOnUZ status-page-domain-verification=8vymlsbpx414 v=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.92.spf-protect.agari.com ~all |
| valid | yes |
|---|---|
| issuer | Google Trust Services |
| covers | utk.edu |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.92.spf-protect.agari.com ~all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: google, selector2, k1, s1, s2, mail, smtp |
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 utk.edu.
Reference: /llms.txt.
IPv6. Does utk.edu work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch utk.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