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Hostname

root.cz

Last fetched

root.cz resolves to 1 IPv4 address operated by MASTER-AS Czech Republic www.master.cz in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

WHISPER CANON · root.czRouting diversity1.5/10Peering density5.1/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/root.cz

Resolution chain

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

IPPrefixASNOperatorCountry
91.213.160.18891.213.160.0/24AS24971MASTER-AS Czech Republic www.master.czCZ

WHOIS identity

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

Subdomains

23 observed subdomains of root.cz.

Subdomain
10.root.cz
zdrojak.root.cz
www.root.cz
wiki.root.cz
us.root.cz
tutorialy.root.cz
stable.root.cz
skoleni.root.cz
rss.root.cz
partner.root.cz
man.root.cz
m.root.cz
licence.root.cz
knihy.root.cz
jabber.root.cz
forum.root.cz
f.root.cz
devel.root.cz
cos.root.cz
butik.root.cz
blog-stable.root.cz
blog.root.cz
beta.root.cz

Web-graph footprint

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

1,256 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for root.cz.

MechanismTarget
SPF_INCLUDE_spf.iinfo.cz

Related pages

Pivot deeper into the graph from root.cz.

Cypher and MCP

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

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