How is cdnbuild.net?

Be careful risk 20/100

Registered 6 years ago, no valid HTTPS certificate, the site did not answer (OSError).

Why

02050100

finecarefulhigh risk

+20No valid HTTPS certificate.

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

Site

down

OSError

HTTPS

invalid

Could not resolve host (ENODATA)

Age

6 years

registered 2020-11-06

Blocklists

listings across 1 lists; 1 did not answer

Everything we looked at

DNS records1 record types

NS	ns-dispatch-unicom.volc-dns.net ns-dispatch1.volc-dns.com ns-dispatch2.volc-dns.net ns-dispatch-mobile.volc-dns.com ns-dispatch-telecom.volc-dns.net

RegistrationeName Technology Co., Ltd.

registrar	eName Technology Co., Ltd.
registered	2020-11-06
expires	2027-11-06
last changed	2026-10-02
nameservers	ns-dispatch-mobile.volc-dns.com ns-dispatch-telecom.volc-dns.net ns-dispatch-unicom.volc-dns.net ns-dispatch1.volc-dns.com ns-dispatch2.volc-dns.net
status	client delete prohibited client transfer prohibited

registered 2020-11-06expires 2027-11-06

HTTPS certificatenot valid

valid	no
problem	Could not resolve host (ENODATA)

DNSSECinsecure

Domain is not signed with DNSSEC

. → net → cdnbuild.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.

Security scoregrade C · 110/190

Basic Security

20/40missing: DNSSEC Enabled

Record Security

0/45missing: CAA Records, SPF Record, DMARC Record, DKIM Presence

Advanced Security

10/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

35/35

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 2 lookups

SURBL MultidomainURIBL Multidomain

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=cdnbuild.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=cdnbuild.net"

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

Watch cdnbuild.net. 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