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Hostname

shadowserver.org

Last fetched

shadowserver.org resolves to 1 IPv4 address operated by PROLEXIC-IP-PROTECT in US. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · shadowserver.orgRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint5.6/10canon.whisper.security/host/shadowserver.org

Resolution chain

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

IPPrefixASNOperatorCountry
103.41.71.79103.41.68.0/22AS213120PROLEXIC-IP-PROTECTUS

WHOIS identity

Registrar
iana:146
Organization
the shadowserver foundation
Contact emails

Subdomains

463 observed subdomains of shadowserver.org.

Web-graph footprint

Distinct hostnames that link to or from shadowserver.org in the public web crawl.

598 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for shadowserver.org.

MechanismTarget
SPF_IP154.9.2.12
SPF_IP65.49.51.50

Related pages

Pivot deeper into the graph from shadowserver.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "shadowserver.org"})-[: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.