Hostname

flowup.cz

Last fetched Fri, 03 Jul 2026 10:22:14 GMT

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

Nutrition Label

Resolution chain

flowup.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-wedos
Organization: albert uchytil
Contact emails: —

Subdomains

12 observed subdomains of flowup.cz.

Subdomain
billing.flowup.cz
gustaf.flowup.cz
migration.flowup.cz
play.flowup.cz
signatures.flowup.cz
staging.flowup.cz
vybero.flowup.cz
vybero1.flowup.cz
www.flowup.cz

Showing 9 of 12. View all subdomains →

Web-graph footprint

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

7 sites link to this hostname.

55 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for flowup.cz.

Mechanism	Target
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	spf.seznam.cz

Pivot deeper into the graph from flowup.cz.

Cypher and MCP

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

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