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Hostname

calla.cz

Last fetched

calla.cz has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:reg-gransy as the registrar.

Nutrition Label

WHISPER CANON · calla.czRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/calla.cz

Resolution chain

calla.cz has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar
registrar:reg-gransy
Organization
calla - sdruzeni pro zachranu prostredi
Contact emails
—

Subdomains

2 observed subdomains of calla.cz.

Subdomain
old.calla.cz
www.calla.cz

Web-graph footprint

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

138 sites link to this hostname.

261 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for calla.cz.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEecn.cz
SPF_IP13.95.144.165
SPF_IP95.168.206.193

Related pages

Pivot deeper into the graph from calla.cz.

Cypher and MCP

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

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