Hostname
pca.co.jp
Last fetched
pca.co.jp appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.
Nutrition Label
Resolution chain
pca.co.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
- pca corporation
- Contact emails
- —
Subdomains
146 observed subdomains of pca.co.jp.
Showing 25 of 146. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from pca.co.jp in the public web crawl.
72 sites link to this hostname.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
13 SPF mechanisms authorising senders for pca.co.jp.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | 9050654.spf05.hubspotemail.net |
| SPF_INCLUDE | _spf.axlbox.com |
| SPF_INCLUDE | _spf.salesforce.com |
| SPF_INCLUDE | spf.eco-serv.jp |
| SPF_INCLUDE | spf.securemx.jp |
| SPF_INCLUDE | spf2.nlk2.smtps.jp |
| SPF_INCLUDE | webcas.net |
| SPF_IP | 202.240.53.128/25 |
| SPF_IP | 210.166.72.24/32 |
| SPF_IP | 210.166.72.25/32 |
| SPF_IP | 210.166.72.36/32 |
| SPF_IP | 210.166.72.37/32 |
| SPF_MX | pca.co.jp |
Related pages
Pivot deeper into the graph from pca.co.jp.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "pca.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.