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Hostname

erf.ch

Last fetched

erf.ch resolves to 1 IPv4 address operated by AS8758 in CH.

Nutrition Label

WHISPER CANON · erf.chRouting diversity1.5/10Peering density7.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.0/10canon.whisper.security/host/erf.ch

Resolution chain

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

IPPrefixASNOperatorCountry
95.143.52.3295.143.48.0/20AS8758—CH

WHOIS identity

Registrar
—
Organization
erf medien
Contact emails
—

Subdomains

7 observed subdomains of erf.ch.

Subdomain
gateway.erf.ch
mail01.erf.ch
mail02.erf.ch
sf.erf.ch
tv.erf.ch
www.erf.ch

Showing 6 of 7. View all subdomains →

Web-graph footprint

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

28 sites link to this hostname.

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

11 SPF mechanisms authorising senders for erf.ch.

MechanismTarget
SPF_Aerf.ch
SPF_INCLUDE_spf.psm.knowbe4.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP159.183.91.5
SPF_IP194.246.118.141
SPF_IP194.246.118.158
SPF_IP31.10.252.41
SPF_IP31.10.252.42
SPF_IP31.10.252.49
SPF_IP81.63.173.235
SPF_MXerf.ch

Related pages

Pivot deeper into the graph from erf.ch.

Cypher and MCP

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

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