Hostname

jsai.jp

Last fetched Mon, 25 May 2026 22:20:32 GMT

jsai.jp resolves to 1 IPv4 address operated by SAKURA-C SAKURA Internet Inc. in JP.

Nutrition Label

Resolution chain

jsai.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
219.94.155.246	219.94.128.0/17	AS9371	SAKURA-C SAKURA Internet Inc.	JP

WHOIS identity

Registrar

—

Organization

the japan society of archives institutions

Contact emails

jprs-staff@sakura.ad.jp

Subdomains

1 observed subdomain of jsai.jp.

Subdomain
www.jsai.jp

Web-graph footprint

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

62 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

jsai.jp

SPF policy

2 SPF mechanisms authorising senders for jsai.jp.

Mechanism	Target
SPF_A	www456b.sakura.ne.jp
SPF_MX	jsai.jp

Pivot deeper into the graph from jsai.jp.

Cypher and MCP

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

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