Registered 31 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 72 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 172.66.157.237 104.20.26.136 |
|---|---|
| AAAA | 2606:4700:10::6814:1a88 2606:4700:10::ac42:9ded |
| MX | 0 . |
| NS | mitch.ns.cloudflare.com katelyn.ns.cloudflare.com |
| TXT | v=spf1 -all _uyh0vgv5ukyofwj3ddwspnni01vmlyy |
| registrar | ICANN |
|---|---|
| registered | 1995-08-31 |
| expires | 2027-08-30 |
| last changed | 2026-10-14 |
| nameservers | katelyn.ns.cloudflare.com mitch.ns.cloudflare.com |
| status | server delete prohibited server transfer prohibited server update prohibited |
| valid | yes |
|---|---|
| issuer | SSL Corporation |
| covers | example.org, *.example.org |
| protocol | TLSv1.3 |
Domain is properly signed — chain validated by an independent validating resolver
| SPF | pass v=spf1 -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | none of 20 common selectors |
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 example.org.
Reference: /llms.txt.
IPv6. Does example.org work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch example.org. 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