pcserver1.jp on Whisper Internet Directory

Nutrition Label

Resolution chain

pcserver1.jp resolves to 8 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
108.139.15.100	108.139.14.0/23	AS16509	AMAZON-02 - Amazon.com, Inc.	US
108.139.15.110	108.139.14.0/23	AS16509	AMAZON-02 - Amazon.com, Inc.	US
108.139.15.79	108.139.14.0/23	AS16509	AMAZON-02 - Amazon.com, Inc.	US
108.139.15.96	108.139.14.0/23	AS16509	AMAZON-02 - Amazon.com, Inc.	US
18.66.26.121	18.66.24.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
18.66.26.20	18.66.24.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
18.66.26.55	18.66.24.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
18.66.26.8	18.66.24.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	IE

WHOIS identity

Registrar

—

Organization

ksg compant,ltd

Contact emails

kudou@ksgnet.com

Subdomains

1 observed subdomain of pcserver1.jp.

Subdomain
www.pcserver1.jp

Web-graph footprint

Distinct hostnames that link to or from pcserver1.jp in the public web crawl.

36 sites link to this hostname.

118 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail49.onamae.ne.jp

SPF policy

4 SPF mechanisms authorising senders for pcserver1.jp.

Mechanism	Target
SPF_INCLUDE	_spf.onamae.ne.jp
SPF_INCLUDE	spf-bma.mpme.jp
SPF_INCLUDE	treasure-ship.jp
SPF_MX	pcserver1.jp

Related pages

Pivot deeper into the graph from pcserver1.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "pcserver1.jp"})-[: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.