Skip to content

Hostname

a2s.ch

Last fetched

a2s.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 · a2s.chRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/a2s.ch

Resolution chain

Resolution chain data is temporarily unavailable. Refresh in a moment to retry.

WHOIS identity

Registrar
—
Organization
helena boesch
Contact emails
—

Subdomains

1 observed subdomain of a2s.ch.

Subdomain
www.a2s.ch

Web-graph footprint

Distinct hostnames that link to or from a2s.ch in the public web crawl.

12 sites link to this hostname.

7 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 a2s.ch.

MechanismTarget
SPF_Aa2s.ch
SPF_Awan-ip101.a2s.ch
SPF_INCLUDEservers.mcsv.net
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from a2s.ch.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a2s.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.