Hostname

buildex.cz

Last fetched Wed, 08 Jul 2026 08:32:49 GMT

buildex.cz has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

Resolution chain

buildex.cz has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar: registrar:reg-internet-cz
Organization: ing.miroslav ottl
Contact emails: —

Subdomains

6 observed subdomains of buildex.cz.

Subdomain
beta.buildex.cz
cdn.buildex.cz
communication.buildex.cz
em4034.buildex.cz
suggester.buildex.cz
www.buildex.cz

Web-graph footprint

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

39 sites link to this hostname.

21 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mxavas.forpsi.com

SPF policy

8 SPF mechanisms authorising senders for buildex.cz.

Mechanism	Target
SPF_INCLUDE	_emailing.heureka.cz
SPF_INCLUDE	_spf.forpsi.com
SPF_INCLUDE	_spf.svethostingu.cz
SPF_INCLUDE	em4034.buildex.cz
SPF_INCLUDE	sendgrid.net
SPF_INCLUDE	sparkpostmail.com
SPF_INCLUDE	spf.protection.outlook.com
SPF_INCLUDE	spf1.supportbox.cz

Pivot deeper into the graph from buildex.cz.

Cypher and MCP

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

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