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Hostname

null41.ch

Last fetched

null41.ch appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

WHISPER CANON · null41.chRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.6/10canon.whisper.security/host/null41.ch

Resolution chain

null41.ch 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 null41.ch in WhisperGraph.

Subdomains

9 observed subdomains of null41.ch.

Subdomain
autodiscover.null41.ch
imap.null41.ch
kalender.null41.ch
mail.null41.ch
pop.null41.ch
smtp.null41.ch
www.null41.ch
xas.null41.ch
xwa.null41.ch

Web-graph footprint

Distinct hostnames that link to or from null41.ch in the public web crawl.

127 sites link to this hostname.

17 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for null41.ch.

MechanismTarget
SPF_Anull41.ch
SPF_INCLUDEspf.mandrillapp.com
SPF_INCLUDEspf.protection.outlook.com
SPF_MXnull41.ch

Related pages

Pivot deeper into the graph from null41.ch.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "null41.ch"})-[: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.