Hostname
classlab.co.jp
Last fetched
classlab.co.jp appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.
Nutrition Label
Resolution chain
classlab.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
- incclasslab
- Contact emails
- —
Subdomains
94 observed subdomains of classlab.co.jp.
Showing 25 of 94. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from classlab.co.jp in the public web crawl.
112 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
9 SPF mechanisms authorising senders for classlab.co.jp.
| Mechanism | Target |
|---|---|
| SPF_A | www4163.sakura.ne.jp |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | _spf.salesforce.com |
| SPF_IP | 182.50.78.64/28 |
| SPF_IP | 204.14.232.64/28 |
| SPF_IP | 204.14.234.64/28 |
| SPF_IP | 96.43.144.64/31 |
| SPF_IP | 96.43.148.64/31 |
| SPF_MX | classlab.co.jp |
Related pages
Pivot deeper into the graph from classlab.co.jp.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "classlab.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.