Hostname
isdn4linux.de
Last fetched
isdn4linux.de appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.
Nutrition Label
Resolution chain
isdn4linux.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 isdn4linux.de in WhisperGraph.
Subdomains
5 observed subdomains of isdn4linux.de.
Web-graph footprint
Distinct hostnames that link to or from isdn4linux.de in the public web crawl.
55 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
2 SPF mechanisms authorising senders for isdn4linux.de.
| Mechanism | Target |
|---|---|
| SPF_IP | 2001:8d8:912:a9e:ab05:ddc6:eb4a:1ffd |
| SPF_IP | 87.106.17.67 |
Related pages
Pivot deeper into the graph from isdn4linux.de.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "isdn4linux.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.