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Hostname

app2us.cz

Last fetched

app2us.cz resolves to 1 IPv4 address operated by AS60606 in CZ. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · app2us.czRouting diversity1.5/10Peering density4.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/app2us.cz

Resolution chain

app2us.cz resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
91.239.200.6691.239.200.0/23AS60606—CZ

WHOIS identity

Registrar
registrar:reg-active24
Organization
andrea vyskočilová
Contact emails
—

Subdomains

4 observed subdomains of app2us.cz.

Subdomain
api.app2us.cz
lh.app2us.cz
www.app2us.cz

Showing 3 of 4. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from app2us.cz in the public web crawl.

11 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for app2us.cz.

MechanismTarget
SPF_Aapp2us.cz
SPF_INCLUDE_spf.mlsend.com
SPF_INCLUDEspf.cesky-hosting.cz
SPF_MXapp2us.cz

Related pages

Pivot deeper into the graph from app2us.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "app2us.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.