Registered 10 years ago, no valid HTTPS certificate, the site did not answer (OSError).
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.
| NS | ns1-04.azure-dns.com ns3-04.azure-dns.org ns4-04.azure-dns.info ns2-04.azure-dns.net |
|---|---|
| TXT | google-site-verification=I-G5nvuXcmRWj7cKZfjr8XAIlot-MfqGKgTsWcwSTeU D-TRUST=4TEMKRMN7EV9PGZ |
| CAA | {'type': 'CAA', 'issue': 'd-trust.net', 'critical': 0} {'type': 'CAA', 'issue': 'digicert.com', 'critical': 0} {'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0} {'type': 'CAA', 'issue': 'microsoft.com', 'critical': 0} {'type': 'CAA', 'critical': 0, 'contactemail': 'caarecordaware@microsoft.com'} |
| registrar | MarkMonitor |
|---|---|
| registered | 2016-07-05 |
| expires | 2027-07-05 |
| last changed | 2026-06-03 |
| nameservers | ns4-04.azure-dns.info ns1-04.azure-dns.com ns2-04.azure-dns.net ns3-04.azure-dns.org |
| status | client transfer prohibited client update prohibited client delete prohibited DS automation disabled NS automation disabled |
| valid | no |
|---|---|
| problem | Could not resolve host (ENODATA) |
Domain is not signed with DNSSEC
| SPF | none |
|---|---|
| DMARC | pass policy reject |
| DKIM | none of 1 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 svc.ms.
Reference: /llms.txt.
Watch svc.ms. 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