Registered 31 years ago, on no blocklists we checked, valid HTTPS, the site answered HTTP 417.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.
| A | 204.79.197.212 |
|---|---|
| MX | 2 hotmail-com.olc.protection.outlook.com |
| NS | ns1-205.azure-dns.com ns4-205.azure-dns.info ns2-205.azure-dns.net ns3-205.azure-dns.org |
| TXT | v=spf1 include:spf2.outlook.com -all google-site-verification=gqFmgDKSUd3XGU_AzWWdojRHtW3_66W_PC3oFvQVZEw google-site-verification=VdfSHp3aOmiGxd6jcbkRPFy6EERzln_hMR3byLjU__w |
| CAA | {'type': 'CAA', 'issue': 'microsoft.com', 'critical': 0} {'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0} {'type': 'CAA', 'issue': 'digicert.com', 'critical': 0} {'type': 'CAA', 'critical': 0, 'contactemail': 'caarecordaware@microsoft.com'} |
| registrar | MarkMonitor Inc. |
|---|---|
| registered | 1996-03-27 |
| expires | 2027-03-28 |
| last changed | 2026-01-29 |
| owner | Microsoft Corporation |
| nameservers | ns1-205.azure-dns.com ns2-205.azure-dns.net ns3-205.azure-dns.org ns4-205.azure-dns.info |
| status | client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited |
| valid | yes |
|---|---|
| issuer | Microsoft Corporation |
| covers | outlook.live.com, outlook-sdf.live.com, attachment.outlook.office.net, attachment.outlook.officeppe.net, hotmail.com, *.calendar.live.com, *.hotmail.com, *.live.com, *.mail.live.com, live.com, *.fp.measure.office.com, premium.outlook.com |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 include:spf2.outlook.com -all |
|---|---|
| DMARC | warning policy none |
| DKIM | found: selector1 |
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 hotmail.com.
Reference: /llms.txt.
IPv6. Does hotmail.com work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch hotmail.com. 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