On no blocklists we checked, valid HTTPS, the site answered 200 in 269 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 52.252.224.122 |
|---|---|
| MX | 0 iastate-edu.mail.protection.outlook.com |
| NS | dns-1.iastate.edu dns-2.iastate.edu dns-3.iastate.edu |
| TXT | 32C121D49BB7CD0E1D5C801091D4EE4C klaviyo-site-verification=VAM9gh apple-domain-verification=m0eUWF9OfbJCnGVv docusign=76ab78b2-fc1e-4144-8404-8462eefa6514 docusign=d3b48e04-f1f4-4f94-ba9e-b69032d5ba4b jamf-site-verification=JBa8MvmkXwM1p74LYct6DQ openai-domain-verification=dv-rJephbSSsokLS4oplDBL3yDL google-site-verification=6GWAHA6X4UCqNsphgI8xfrBUrArNgJvsrdG5jgNWPRc ciscocidomainverification=1b366b292bbd98d8666264d9c23f5ddb79352f3bdfa7bb183848556cbe40cb2c atlassian-domain-verification=qSm/pkSxE1d3XvivSerEmjcwIA7W967hCKSglYOFw1eRZmuHIVJw1N5CjWT9aP5R v=spf1 a:mailout-1.nat.iastate.edu a:mailout-2.nat.iastate.edu ip4:69.25.199.32/27 ip4:205.237.106.0/24 ip4:75.98.95.160/27 include:spf.protection.outlook.com ~all |
| valid | yes |
|---|---|
| issuer | InCommon, LLC |
| covers | iastate.edu, *.info.iastate.edu, *.www.iastate.edu, iastate.net, info.iastate.edu, www.iastate.edu |
| protocol | TLSv1.3 |
Domain is properly signed — chain validated by an independent validating resolver
| SPF | pass v=spf1 a:mailout-1.nat.iastate.edu a:mailout-2.nat.iastate.edu ip4:69.25.199.32/27 ip4:205.237.106.0/24 ip4:75.98.95.160/27 include:spf.protection.outlook.com ~all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: google, selector1, selector2 |
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 iastate.edu.
Reference: /llms.txt.
IPv6. Does iastate.edu work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch iastate.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