Registered 8 years ago, no valid HTTPS certificate, the site did not answer (OSError).
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.
| NS | ns4-37.azure-dns.info ns1-37.azure-dns.com ns2-37.azure-dns.net ns3-37.azure-dns.org |
|---|---|
| TXT | https://github.com/publicsuffix/list/pull/1891 |
| CAA | {'type': 'CAA', 'issue': 'digicert.com; account=37519e363bd0f3f470682383a25b2daa13232906ff77b9eb03d1269486782a2a', 'critical': 0} {'type': 'CAA', 'critical': 0, 'issuewild': 'digicert.com'} {'type': 'CAA', 'issue': 'microsoft.com', 'critical': 0} {'type': 'CAA', 'critical': 0, 'contactemail': 'caarecordaware@microsoft.com'} {'type': 'CAA', 'issue': 'digicert.com; account=4735470c395ee719a2a0c2a15a49193ff5add1d47d164d31d186797e73892a18', 'critical': 0} {'type': 'CAA', 'critical': 0, 'issuewild': 'microsoft.com'} |
| registrar | MarkMonitor Inc. |
|---|---|
| registered | 2018-05-08 |
| expires | 2027-05-08 |
| last changed | 2026-04-06 |
| owner | Microsoft Corporation |
| nameservers | ns1-37.azure-dns.com ns2-37.azure-dns.net ns3-37.azure-dns.org ns4-37.azure-dns.info |
| status | client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited |
| valid | no |
|---|---|
| problem | Could not resolve host (ENODATA) |
Domain is not signed with DNSSEC
| SPF | none |
|---|---|
| DMARC | none |
| 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 azurefd.net.
Reference: /llms.txt.
Watch azurefd.net. 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