HOW.IS
?

How is visa.cn?

Be careful risk 30/100

On no blocklists we checked, no valid HTTPS certificate, the site did not answer (SSLError).

Why

02050100
finecarefulhigh risk
  • +10The registry did not report a usable creation date.
  • +20No valid HTTPS certificate.

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

Site
down
SSLError
HTTPS
invalid
809DC7980A7F0000:error:0A000410:SSL routines:ssl3_read_bytes:ssl/tls alert handshake failure:ssl/record/rec_layer_s3.c:918:SSL alert number 40
Age
?
creation date not reported
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A36.153.95.133
AAAA240e:90d:1101:203:3dab:c5e8:9874:fffe
NSns210.dns.cf-ns.com
ns88.dns.cf-ns.net
TXT0 contactemail hostmaster@visa.com
cwj402d2nw8cqbsyt8k7vv7v98wqf9ft
CAA{'type': 'CAA', 'iodef': 'mailto:hostmaster@visa.com', 'critical': 0}
Registration码恪御标信息科技(上海)有限公司
registrar码恪御标信息科技(上海)有限公司
nameserversns210.dns.cf-ns.com ns88.dns.cf-ns.net
statusclientDeleteProhibited clientUpdateProhibited clientTransferProhibited
HTTPS certificatenot valid
validno
problem809DC7980A7F0000:error:0A000410:SSL routines:ssl3_read_bytes:ssl/tls alert handshake failure:ssl/record/rec_layer_s3.c:918:SSL alert number 40
DNSSECinsecure

Domain is not signed with DNSSEC

. → cn → visa.cn
Email authenticationpoor
SPFnone
DMARCpass policy reject
DKIMnone of 1 common selectors

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

Security scoregrade B · 145/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
30/45missing: SPF Record, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration
Domain Reputation
35/50missing: Typosquatting Check
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop111.7.87.210Barracuda111.7.87.210UCEPROTECT Level 1111.7.87.210

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=visa.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=visa.cn"

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

IPv6. IPv6 readiness grade for visa.cn Does visa.cn work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch visa.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