How is windows.com?

Looks fine risk 0/100

Registered 31 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 4839 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

200

4839 ms · ends at www.microsoft.com

HTTPS

96 d

left on a Microsoft Corporation certificate

Age

31 years

registered 1995-09-11

Blocklists

listings across 4 lists; 1 did not answer

Everything we looked at

DNS records6 record types

A	20.70.246.20 20.236.44.162 20.231.239.246 20.112.250.133 20.76.201.171
AAAA	2603:1030:b:3::152 2603:1020:201:10::10f 2603:1030:c02:8::14 2603:1030:20e:3::23c 2603:1010:3:3::5b
MX	10 mail.windows.com
NS	ns4-205.azure-dns.info ns2-205.azure-dns.net ns3-205.azure-dns.org ns1-205.azure-dns.com
TXT	facebook-domain-verification=d65hkhpulntsek90x3rt1cqq4y06tk google-site-verification=ioCM5aKUAjBy9Z8Or81O6eQagwr_unGdyGJ0V8II7QM D-TRUST=27XN9J9VBV6S24F v=spf1 mx -all
CAA	{'type': 'CAA', 'critical': 0, 'contactemail': 'caarecordaware@microsoft.com'}

RegistrationMarkMonitor Inc.

registrar	MarkMonitor Inc.
registered	1995-09-11
expires	2027-06-04
last changed	2026-05-03
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

registered 1995-09-11expires 2027-06-04

HTTPS certificate96 days left

valid	yes
issuer	Microsoft Corporation
covers	myservice.surface.com, xbox.com, myservice.xbox.com, microsoft.cz, www.microsoft.cz, www.winhec.net, www.winhec.com, winhec.net, winhec.com, microsoft.eu, www.microsoft.eu, windows.com
protocol	TLSv1.3

issued 2026-10-22expires 2027-01-30

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → windows.com

Email authenticationgood

SPF	pass `v=spf1 mx -all`
DMARC	pass policy reject
DKIM	none of 1 common selectors

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade B · 170/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

45/45missing: DKIM Presence

Advanced Security

20/25missing: Mail Server Configuration

Domain Reputation

50/50

Threat Detection

35/45missing: Fast-Flux Detection, Domain Age Check

Blocklists0 listings · 17 lookups

SURBL MultidomainURIBL MultidomainSpamCop20.76.201.171Barracuda20.76.201.171UCEPROTECT Level 120.76.201.171SpamCop20.70.246.20Barracuda20.70.246.20UCEPROTECT Level 120.70.246.20SpamCop20.231.239.246Barracuda20.231.239.246UCEPROTECT Level 120.231.239.246SpamCop20.236.44.162Barracuda20.236.44.162UCEPROTECT Level 120.236.44.162SpamCop20.112.250.133Barracuda20.112.250.133UCEPROTECT Level 120.112.250.133

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

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.

curl "https://how.is/v1/domain/trust?domain=windows.com" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=windows.com"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on windows.com. Reference: /llms.txt.

Watch windows.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