Registered 14 years ago, on no blocklists we checked, no valid HTTPS certificate, the site did not answer (refusing to fetch internal address (0.0.0.1)).
Why
02050100
finecarefulhigh risk
+20No valid HTTPS certificate.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.
Site
down
refusing to fetch internal address (0.0.0.1)
HTTPS
invalid
Host resolves to a private IP address
Age
14 years
registered 2012-06-01
Blocklists
0
listings across 5 lists
Everything we looked at
DNS records2 record types
A
0.0.0.1
TXT
581yb3z8qy189dzz67gc81w89l28tp10
RegistrationMarkMonitor Information Technology (Shanghai) Co., Ltd.
registrar
MarkMonitor Information Technology (Shanghai) Co., Ltd.
registered
2012-06-01
expires
2034-02-27
last changed
2024-08-20
owner
REDACTED FOR PRIVACY
nameservers
ns-open1.qq.com ns-open2.qq.com ns-open3.qq.com
status
client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited
registered 2012-06-01expires 2034-02-27
HTTPS certificatenot valid
valid
no
problem
Host resolves to a private IP address
DNSSECinsecure
Domain is not signed with DNSSEC
. → net → tencent-cloud.net
Email authenticationpoor
SPF
none
DMARC
none
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.
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=tencent-cloud.net" \
-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=tencent-cloud.net"
MCP: add https://how.is/mcp to Claude, Codex or Cursor
(one-line install) and ask for domain_trust on tencent-cloud.net.
Reference: /llms.txt.
Watch tencent-cloud.net. DNS read at the source every 5 minutes;
certificate, blocklists and expiry every 6 hours. You get an email only when something changes.