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Hostname

saker.cz

Last fetched

saker.cz resolves to 1 IPv4 address operated by AS8648 in DE. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · saker.czRouting diversity1.5/10Peering density4.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/saker.cz

Resolution chain

saker.cz resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
185.102.21.192185.102.21.0/24AS8648—DE

WHOIS identity

Registrar
registrar:reg-active24
Organization
saker, spol. s r. o.
Contact emails
—

Subdomains

12 observed subdomains of saker.cz.

Subdomain
autoconfig.saker.cz
autodiscover.saker.cz
cloud.saker.cz
email.saker.cz
link.saker.cz
mailstoreserver.saker.cz
proxy.saker.cz
unifi.saker.cz
webmail.saker.cz
wildcard.saker.cz
www.saker.cz
zentyal.saker.cz

Web-graph footprint

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

11 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for saker.cz.

MechanismTarget
SPF_INCLUDEspf-westeu.emailsignatures365.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP46.231.73.59
SPF_IP77.92.222.214
SPF_MXsaker.cz

Related pages

Pivot deeper into the graph from saker.cz.

Cypher and MCP

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

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