Hostname
system5.jp
Last fetched
system5.jp appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.
Nutrition Label
Resolution chain
system5.jp has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.
WHOIS identity
- Registrar
- —
- Organization
- —
- Contact emails
Subdomains
17 observed subdomains of system5.jp.
Web-graph footprint
Distinct hostnames that link to or from system5.jp in the public web crawl.
573 sites link to this hostname.
225 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
11 SPF mechanisms authorising senders for system5.jp.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | amazonses.com |
| SPF_INCLUDE | mail.zendesk.com |
| SPF_INCLUDE | shops.shopify.com |
| SPF_INCLUDE | spf.baremetal.jp |
| SPF_INCLUDE | spf.securemx.jp |
| SPF_INCLUDE | spf1.bcart.jp |
| SPF_IP | 133.217.192.20/32 |
| SPF_IP | 153.126.189.20 |
| SPF_IP | 40.107.140.89 |
| SPF_IP | 54.64.199.253 |
| SPF_IP | 54.65.91.15/32 |
Related pages
Pivot deeper into the graph from system5.jp.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "system5.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.