HOW.IS
?

How is eye4.cn?

Not sure yet risk 10/100

On no blocklists we checked, valid HTTPS, the site answered 200 in 876 ms.

Why

02050100
finecarefulhigh risk
  • +10The registry did not report a usable creation date.
  • ·Could not check domain age; retry before trusting this domain.

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

How eye4.cn looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
876 ms
HTTPS
127 d
left on a DigiCert Inc certificate
Age
?
creation date not reported
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records3 record types
A47.52.228.126
MX5 mxbiz1.qq.com
10 mxbiz2.qq.com
NSns3.dnsv4.com
ns4.dnsv4.com
Registration阿里云计算有限公司（万网）
registrar阿里云计算有限公司（万网）
nameserversns3.dnsv4.com ns4.dnsv4.com
statusok
HTTPS certificate127 days left
validyes
issuerDigiCert Inc
covers*.eye4.cn, eye4.cn
protocolTLSv1.3
issued 2026-02-02expires 2027-03-03
DNSSECinsecure

Domain is not signed with DNSSEC

. → cn → eye4.cn
Email authenticationpoor
SPFnone
DMARCnone
DKIMnone of 1 common selectors

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

Security scoregrade C · 120/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
0/45missing: CAA Records, SPF Record, DMARC Record, DKIM Presence
Advanced Security
15/25missing: SOA Record Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop47.52.228.126Barracuda47.52.228.126UCEPROTECT Level 147.52.228.126

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=eye4.cn" \ -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=eye4.cn"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on eye4.cn. Reference: /llms.txt.

Watch eye4.cn. 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