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Hostname

hsw.cz

Last fetched

hsw.cz resolves to 2 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in DE. WHOIS lists registrar:reg-keysystems as the registrar.

Nutrition Label

WHISPER CANON · hsw.czRouting diversity2.4/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency6.7/10Resolver footprint3.2/10canon.whisper.security/host/hsw.cz

Resolution chain

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

IPPrefixASNOperatorCountry
18.197.78.9518.196.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.DE
3.66.115.763.64.0.0/12AS16509AMAZON-02 - Amazon.com, Inc.DE

WHOIS identity

Registrar
registrar:reg-keysystems
Organization
hsw signall s.r.o.
Contact emails

Subdomains

15 observed subdomains of hsw.cz.

Subdomain
acc-com.hsw.cz
ahd-n.hsw.cz
helpdesk.hsw.cz
mail.hsw.cz
mail1.hsw.cz
old.hsw.cz
praha1.hsw.cz
prod-com.hsw.cz
test-com.hsw.cz
v3live2.hsw.cz
v3test2.hsw.cz
v3uat2.hsw.cz
vpncust.hsw.cz
www.hsw.cz
zimbra.hsw.cz

Web-graph footprint

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

18 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

16 SPF mechanisms authorising senders for hsw.cz.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEspf.mailanyone.net
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEturbo-smtp.com
SPF_INCLUDEvink-holding.mg2.1b.eu-central.aws.youwecloud.nl
SPF_INCLUDEvink.mg2.1c.eu-central.aws.youwecloud.nl
SPF_IP195.250.135.34
SPF_IP195.250.135.35
SPF_IP195.250.135.36
SPF_IP195.250.135.37
SPF_IP212.20.117.214
SPF_IP212.20.117.216
SPF_IP212.20.118.180
SPF_IP217.16.185.0/24
SPF_IP45.129.106.247
SPF_IP93.185.97.160/27

Related pages

Pivot deeper into the graph from hsw.cz.

Cypher and MCP

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

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