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Hostname

cys.group

Last fetched

cys.group resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1647 as the registrar.

Nutrition Label

WHISPER CANON · cys.groupRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.0/10canon.whisper.security/host/cys.group

Resolution chain

cys.group resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.85.145104.21.80.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.206.171172.67.192.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:1647
Organization
cys group b.v.
Contact emails

Subdomains

22 observed subdomains of cys.group.

Subdomain
api.cys.group
apit1.cys.group
apo.cys.group
careers.cys.group
css.cys.group
downloads.cys.group
featuretest.cys.group
gtm.cys.group
mail.cys.group
management-systest.cys.group
management-t1.cys.group
management.cys.group
release.cys.group
staging.cys.group
support.cys.group
www.cys.group

Showing 16 of 22. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from cys.group in the public web crawl.

16 sites link to this hostname.

27 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 cys.group.

MechanismTarget
SPF_INCLUDEemail.freshdesk.com
SPF_INCLUDEmailfilter.myrootnet.nl
SPF_INCLUDEspf.protection.outlook.com
SPF_IP185.136.64.128/27
SPF_IP185.136.65.128/27

Related pages

Pivot deeper into the graph from cys.group.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cys.group"})-[: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.