Hostname

3.cn

Last fetched Fri, 22 May 2026 01:23:35 GMT

3.cn resolves to 2 IPv4 addresses operated by CHINANET-IDC-BJ-AP IDC, China Telecommunications Corporation in CN. WHOIS lists registrar:码恪御标信息科技（上海）有限公司 as the registrar.

Nutrition Label

Resolution chain

3.cn resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
106.39.164.153	106.39.164.0/24	AS23724	CHINANET-IDC-BJ-AP IDC, China Telecommunications Corporation	CN
111.13.28.27	111.13.0.0/16	AS9808	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd.	CN

WHOIS identity

Registrar

registrar:码恪御标信息科技（上海）有限公司

Organization

?????????????????

Contact emails

Subdomains

21 observed subdomains of 3.cn.

Subdomain
ad.3.cn
www.3.cn
s.3.cn
pf.3.cn
pe.3.cn
p.3.cn
ns5.3.cn
ns4.3.cn
ns3.3.cn
ns2.3.cn
ns1.3.cn
m.3.cn
i.3.cn
fd.3.cn
f.3.cn
dx.3.cn
dc.3.cn
d.3.cn
cds.3.cn
c.3.cn
atom-log.3.cn

Web-graph footprint

Distinct hostnames that link to or from 3.cn in the public web crawl.

372 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

1 SPF mechanism authorising senders for 3.cn.

Mechanism	Target
SPF_IP	58.83.206.0/24

Pivot deeper into the graph from 3.cn.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "3.cn"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.