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Hostname

castore.at

Last fetched

castore.at resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:hetzner online gmbh as the registrar.

Nutrition Label

WHISPER CANON · castore.atRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/castore.at

Resolution chain

castore.at resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.30.187104.21.16.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.173.135172.67.160.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
registrar:hetzner online gmbh
Organization
—
Contact emails
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Subdomains

3 observed subdomains of castore.at.

Subdomain
cdn.castore.at
webmail.castore.at
www.castore.at

Web-graph footprint

Distinct hostnames that link to or from castore.at in the public web crawl.

11 sites link to this hostname.

28 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 castore.at.

MechanismTarget
SPF_Acastore.at
SPF_Actb.wakelitenet.com
SPF_INCLUDEspf.mailjet.com
SPF_MXcastore.at

Related pages

Pivot deeper into the graph from castore.at.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "castore.at"})-[: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.