Registered 16 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 161 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 23.62.11.211 |
|---|---|
| NS | usw1.akam.net usc4.akam.net ns1-191.akam.net asia3.akam.net asia1.akam.net ns1-132.akam.net eur2.akam.net use9.akam.net |
| TXT | google-site-verification=cQ5sq03lw0OzN4SppJPr8x42KZc55dSQq7ZPSoG6j1A google-site-verification=_GQK9-TxtgH2f9HIVswdbMDlU0tPtbFlU52rwj3Zfhc google-site-verification=Xwu-AiYLjcs965PJQuNABfnosFgzJjYXpyrca73p6mY google-site-verification=4tHGSXxDCXQBLZs7xyGJFLLocgHDg2_UkWzCSgr6RcE facebook-domain-verification=m6bk15w3gdsau9c5kfjw2a9dyg3321 akaprodcs.azurewebsites.net v=spf1 -all google-site-verification=OLIev-Dhm_GjGnF_5WElcY1g9Y0tGBgfqDJeePQPy0k google-site-verification=V5Rw20DBVKp5R9C3B3lua8ucBMWdn1_pbMNQzb0YRFQ google-site-verification=hmJHeHI5g2xahyeorI05Mp8n3Q5uuxJVYzgoiR3heXk google-site-verification=HZlxQO87rQMu1JifSu8YrFxfNSRmLPxjCSYMH9Sv2mU google-site-verification=K1RiUqmDiLrkprOC6Au9x2jpqtLRfe1GBS4RnHKOSls |
| CAA | {'type': 'CAA', 'critical': 0, 'contactemail': 'caarecordaware@microsoft.com'} |
| registrar | CSC Corporate Domains |
|---|---|
| registered | 2011-01-20 |
| expires | 2027-01-20 |
| last changed | 2026-10-08 |
| nameservers | usw1.akam.net use9.akam.net eur2.akam.net asia3.akam.net asia1.akam.net |
| status | client transfer prohibited server transfer prohibited server update prohibited server delete prohibited DS automation disabled NS automation disabled |
| valid | yes |
|---|---|
| issuer | Microsoft Corporation |
| covers | go2.microsoft.com, go.microsoft.com, www.aka.ms, aka.ms, fast.go.microsoft.com |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 -all |
|---|---|
| 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 aka.ms.
Reference: /llms.txt.
Watch aka.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