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Hostname

internext.cz

Last fetched

internext.cz resolves to 1 IPv4 address operated by AS25424 in CZ. WHOIS lists registrar:reg-zoner as the registrar.

Nutrition Label

WHISPER CANON · internext.czRouting diversity1.5/10Peering density3.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/internext.cz

Resolution chain

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

IPPrefixASNOperatorCountry
212.111.1.19212.111.0.0/19AS25424—CZ

WHOIS identity

Registrar
registrar:reg-zoner
Organization
internext 2000, s.r.o.
Contact emails
—

Subdomains

8 observed subdomains of internext.cz.

Subdomain
def.internext.cz
ip.internext.cz
vyjadreni.internext.cz
web-sys.internext.cz
web-sys2.internext.cz
www.internext.cz
www2.internext.cz
zakaznik.internext.cz

Web-graph footprint

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

36 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for internext.cz.

MechanismTarget
SPF_INCLUDE_spf_ceznet.tlnt.cz
SPF_INCLUDEspf.inext.cz
SPF_INCLUDEspf.protection.outlook.com
SPF_IP185.115.181.221
SPF_IP212.111.1.0/26
SPF_IP2a00:e580:8::/64
SPF_IP88.146.170.21

Related pages

Pivot deeper into the graph from internext.cz.

Cypher and MCP

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

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