Hostname

dfc.cz

Last fetched Sat, 30 May 2026 04:21:05 GMT

dfc.cz resolves to 1 IPv4 address operated by AS24971 in CZ.

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
178.238.44.13	178.238.32.0/20	AS24971	—	CZ

WHOIS identity

No WHOIS records are currently associated with dfc.cz in WhisperGraph.

Subdomains

1 observed subdomain of dfc.cz.

Subdomain
www.dfc.cz

Web-graph footprint

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

26 sites link to this hostname.

90 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for dfc.cz.

Mechanism	Target
SPF_INCLUDE	spf.seznam.cz

Pivot deeper into the graph from dfc.cz.

Cypher and MCP

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

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