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Hostname

jco.cz

Last fetched

jco.cz appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

WHISPER CANON · jco.czRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.2/10canon.whisper.security/host/jco.cz

Resolution chain

jco.cz has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

No WHOIS records are currently associated with jco.cz in WhisperGraph.

Subdomains

1 observed subdomain of jco.cz.

Subdomain
www.jco.cz

Web-graph footprint

Distinct hostnames that link to or from jco.cz in the public web crawl.

10 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 jco.cz.

MechanismTarget
SPF_Amail.poda.cz
SPF_IP2a00:ca8:3e81:3300::/64
SPF_IP62.129.51.0/26
SPF_IP85.135.32.0/24
SPF_MXjco.cz

Related pages

Pivot deeper into the graph from jco.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "jco.cz"})-[: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.