Hostname

zrb.ch

Last fetched Wed, 10 Jun 2026 11:39:52 GMT

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

Nutrition Label

Resolution chain

zrb.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 zrb.ch in WhisperGraph.

Subdomains

3 observed subdomains of zrb.ch.

Subdomain
e.zrb.ch
mail.zrb.ch
www.zrb.ch

Web-graph footprint

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

6 sites link to this hostname.

21 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.clubdesk.com

SPF policy

1 SPF mechanism authorising senders for zrb.ch.

Mechanism	Target
SPF_MX	zrb.ch

Pivot deeper into the graph from zrb.ch.

Cypher and MCP

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

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