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Hostname

retro.ch

Last fetched

retro.ch is a registered hostname under the .ch top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · retro.chRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/retro.ch

Resolution chain

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WHOIS identity

Registrar
—
Organization
retro
Contact emails
—

Subdomains

3 observed subdomains of retro.ch.

Subdomain
web.retro.ch
webmail.retro.ch
www.retro.ch

Web-graph footprint

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

6 sites link to this hostname.

18 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

9 SPF mechanisms authorising senders for retro.ch.

MechanismTarget
SPF_Aretro.ch
SPF_IP138.188.174.0/24
SPF_IP138.188.175.0/24
SPF_IP157.90.176.100
SPF_IP178.63.40.12/32
SPF_IP192.248.176.71
SPF_IP195.186.0.0/17
SPF_IP45.32.155.53
SPF_MXretro.ch

Related pages

Pivot deeper into the graph from retro.ch.

Cypher and MCP

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

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