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Hostname

onisystem.sk

Last fetched

onisystem.sk resolves to 1 IPv4 address operated by AS24806 in CZ. WHOIS lists registrar:internet cz, a.s. as the registrar.

Nutrition Label

WHISPER CANON · onisystem.skRouting diversity1.5/10Peering density4.3/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.2/10canon.whisper.security/host/onisystem.sk

Resolution chain

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

IPPrefixASNOperatorCountry
81.2.195.3181.2.192.0/18AS24806—CZ

WHOIS identity

Registrar
registrar:internet cz, a.s.
Organization
nam slovakia s.r.o.
Contact emails

Subdomains

1 observed subdomain of onisystem.sk.

Subdomain
www.onisystem.sk

Web-graph footprint

Distinct hostnames that link to or from onisystem.sk in the public web crawl.

40 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

9 SPF mechanisms authorising senders for onisystem.sk.

MechanismTarget
SPF_Aonisystem.sk
SPF_Asmtp.t-email.cz
SPF_INCLUDE_spf.upgates.com
SPF_INCLUDEspf.smartemailing.cz
SPF_INCLUDEtmcz.cz
SPF_IP172.104.242.202/32
SPF_IP185.241.240.0/22
SPF_IP93.153.104.0/24
SPF_MXonisystem.sk

Related pages

Pivot deeper into the graph from onisystem.sk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "onisystem.sk"})-[: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.