Skip to content

Hostname

rbcorp.jp

Last fetched

rbcorp.jp appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

WHISPER CANON · rbcorp.jpRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint8.0/10canon.whisper.security/host/rbcorp.jp

Resolution chain

rbcorp.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
rocket start holdings co.
Contact emails

Subdomains

4 observed subdomains of rbcorp.jp.

Subdomain
mail1.rbcorp.jp
ns1.rbcorp.jp
ns22.rbcorp.jp
www.rbcorp.jp

Web-graph footprint

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

8 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

SPF policy

5 SPF mechanisms authorising senders for rbcorp.jp.

MechanismTarget
SPF_INCLUDEspf.mta.hdems.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP211.12.87.181
SPF_IP211.13.196.161
SPF_IP211.13.204.0/24

Related pages

Pivot deeper into the graph from rbcorp.jp.

Cypher and MCP

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

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