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Hostname

mx2.open.ch

Last fetched

mx2.open.ch resolves to 1 IPv4 address operated by OPENSYSTEMS-AS Zurich, Switzerland in CH.

Nutrition Label

WHISPER CANON · mx2.open.chRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint7.6/10canon.whisper.security/host/mx2.open.ch

Resolution chain

mx2.open.ch resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
213.156.239.108213.156.224.0/20AS9092OPENSYSTEMS-AS Zurich, SwitzerlandCH

WHOIS identity

No WHOIS records are currently associated with mx2.open.ch in WhisperGraph.

Threat posture

History

Mail and authentication

SPF policy

1 SPF mechanism authorising senders for mx2.open.ch.

MechanismTarget
SPF_Amx2.open.ch

Related pages

Pivot deeper into the graph from mx2.open.ch.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mx2.open.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.