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Hostname

nerdfix.cz

Last fetched

nerdfix.cz resolves to 4 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

WHISPER CANON · nerdfix.czRouting diversity3.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/nerdfix.cz

Resolution chain

nerdfix.cz resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.74.44104.21.64.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.197.196172.67.192.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.96.3188.114.96.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.97.3188.114.97.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

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

Subdomains

3 observed subdomains of nerdfix.cz.

Web-graph footprint

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

108 sites link to this hostname.

303 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for nerdfix.cz.

MechanismTarget
SPF_INCLUDEservers.mcsv.net
SPF_MXnerdfix.cz

Related pages

Pivot deeper into the graph from nerdfix.cz.

Cypher and MCP

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

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