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Hostname

colsys.cz

Last fetched

colsys.cz is a registered hostname under the .cz top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · colsys.czRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/colsys.cz

Resolution chain

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WHOIS identity

Registrar
registrar:reg-internet-cz
Organization
zenitel colsys spol. s.r.o.
Contact emails
—

Subdomains

17 observed subdomains of colsys.cz.

Subdomain
agenda.colsys.cz
cml.colsys.cz
fotovoltaika.colsys.cz
gs-voiceguard.colsys.cz
hd.colsys.cz
infoport.colsys.cz
jira.colsys.cz
kariera.colsys.cz
pozadavky.colsys.cz
sd.colsys.cz
servicedesk.colsys.cz
stage.colsys.cz
test.colsys.cz
www.colsys.cz

Showing 14 of 17. View all subdomains →

Web-graph footprint

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

42 sites link to this hostname.

116 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for colsys.cz.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.smartemailing.cz

Related pages

Pivot deeper into the graph from colsys.cz.

Cypher and MCP

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

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