Hostname

pca.dfn.de

Last fetched Wed, 22 Jul 2026 08:32:33 GMT

pca.dfn.de appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

Resolution chain

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

WHOIS identity

No WHOIS records are currently associated with pca.dfn.de in WhisperGraph.

Subdomains

12 observed subdomains of pca.dfn.de.

Subdomain
cdp.pca.dfn.de
cdp1.pca.dfn.de
cdp2.pca.dfn.de
info.pca.dfn.de
ldap.pca.dfn.de
ldap1.pca.dfn.de
ldap2.pca.dfn.de
ocsp.pca.dfn.de
pki.pca.dfn.de
ra.pca.dfn.de
tsa.pca.dfn.de
wiki.pca.dfn.de

Web-graph footprint

Distinct hostnames that link to or from pca.dfn.de in the public web crawl.

13 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

Pivot deeper into the graph from pca.dfn.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "pca.dfn.de"})-[: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.