ark-sys.co.jp on Whisper Internet Directory

Nutrition Label

Resolution chain

ark-sys.co.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
3.167.212.113	3.167.208.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	US
3.167.212.2	3.167.208.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	US
3.167.212.66	3.167.208.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	US
3.167.212.77	3.167.208.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	US
52.85.31.44	52.85.28.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	US
52.85.31.52	52.85.28.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	US
52.85.31.86	52.85.28.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	US
52.85.31.90	52.85.28.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	US

WHOIS identity

Registrar: —
Organization: ark system co.,ltd.
Contact emails: —

Subdomains

4 observed subdomains of ark-sys.co.jp.

Subdomain
rakuoh-staging.ark-sys.co.jp
rakuoh.ark-sys.co.jp
recruit.ark-sys.co.jp
www.ark-sys.co.jp

Web-graph footprint

Distinct hostnames that link to or from ark-sys.co.jp in the public web crawl.

20 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

arksys-co-jp0i.mail.protection.outlook.com

SPF policy

1 SPF mechanism authorising senders for ark-sys.co.jp.

Mechanism	Target
SPF_INCLUDE	spf.protection.outlook.com

Related pages

Pivot deeper into the graph from ark-sys.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ark-sys.co.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.