How is dns.cn?

Be careful risk 30/100

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

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

timed out

HTTPS

invalid

Connection timed out

Age

creation date not reported

Blocklists

listings across 5 lists

Everything we looked at

DNS records2 record types

A	218.241.99.89
NS	b.dns.cn c.dns.cn d.dns.cn a.dns.cn e.dns.cn

Registration北京新网数码信息技术有限公司

registrar	北京新网数码信息技术有限公司
nameservers	a.dns.cn b.dns.cn c.dns.cn
status	clientDeleteProhibited clientUpdateProhibited clientTransferProhibited

HTTPS certificatenot valid

valid	no
problem	Connection timed out

DNSSECinsecure

Domain is not signed with DNSSEC

. → cn → dns.cn

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 · 115/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

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

Advanced Security

10/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 5 lookups

SURBL MultidomainURIBL MultidomainSpamCop218.241.99.89Barracuda218.241.99.89UCEPROTECT Level 1218.241.99.89

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=dns.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=dns.cn"

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

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

Watch dns.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