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Hostname

cosing.cz

Last fetched

cosing.cz resolves to 1 IPv4 address operated by AS15685 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

WHISPER CANON · cosing.czRouting diversity1.5/10Peering density4.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/cosing.cz

Resolution chain

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

IPPrefixASNOperatorCountry
77.78.76.17477.78.76.0/24AS15685—CZ

WHOIS identity

Registrar
registrar:reg-internet-cz
Organization
cosing s.r.o.
Contact emails
—

Subdomains

5 observed subdomains of cosing.cz.

Subdomain
admin.cosing.cz
mail.cosing.cz
mysql.cosing.cz
smtp.cosing.cz
www.cosing.cz

Web-graph footprint

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

10 sites link to this hostname.

10 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 cosing.cz.

MechanismTarget
SPF_Acosing.cz
SPF_INCLUDEspf.smartemailing.cz
SPF_INCLUDEspf1.c4.cz
SPF_INCLUDEspf2.c4.cz
SPF_MXcosing.cz

Related pages

Pivot deeper into the graph from cosing.cz.

Cypher and MCP

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

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