Hostname

vansoft.co.jp

Last fetched Mon, 10 Aug 2026 22:11:59 GMT

vansoft.co.jp resolves to 1 IPv4 address operated by IDCF - IDC Frontier Inc. in JP.

Nutrition Label

Resolution chain

vansoft.co.jp 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
164.46.71.39	164.46.64.0/18	AS4694	IDCF - IDC Frontier Inc.	JP

WHOIS identity

Registrar: —
Organization: vantec
Contact emails: —

Subdomains

2 observed subdomains of vansoft.co.jp.

Subdomain
mail.vansoft.co.jp
www.vansoft.co.jp

Web-graph footprint

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

12 sites link to this hostname.

21 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.vansoft.co.jp

SPF policy

2 SPF mechanisms authorising senders for vansoft.co.jp.

Mechanism	Target
SPF_IP	164.46.71.39
SPF_MX	vansoft.co.jp

Pivot deeper into the graph from vansoft.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "vansoft.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.