Hostname

cn-pen.org

Last fetched Wed, 29 Jul 2026 23:54:48 GMT

cn-pen.org resolves to 1 IPv4 address operated by AS4694 in JP. WHOIS lists iana:49 as the registrar.

Nutrition Label

Resolution chain

cn-pen.org resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
203.183.70.208	203.183.64.0/19	AS4694	—	JP

WHOIS identity

Registrar: iana:49
Organization: gmo cloud k.k. domain service.
Contact emails: —

Subdomains

3 observed subdomains of cn-pen.org.

Subdomain
mail.cn-pen.org
ns.cn-pen.org
www.cn-pen.org

Web-graph footprint

Distinct hostnames that link to or from cn-pen.org in the public web crawl.

6 sites link to this hostname.

11 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.cn-pen.org

SPF policy

3 SPF mechanisms authorising senders for cn-pen.org.

Mechanism	Target
SPF_A	cn-pen.org
SPF_A	ns.a-youme.jp
SPF_MX	cn-pen.org

Pivot deeper into the graph from cn-pen.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cn-pen.org"})-[: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.