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Hostname

planbook.com

Last fetched

planbook.com resolves to 8 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in ZA. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · planbook.comRouting diversityPeering densityMOAS conflictThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/host/planbook.com

Resolution chain

planbook.com resolves to 8 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
3.161.94.1293.161.88.0/21AS16509AMAZON-02 - Amazon.com, Inc.ZA
3.161.94.323.161.88.0/21AS16509AMAZON-02 - Amazon.com, Inc.ZA
3.161.94.73.161.88.0/21AS16509AMAZON-02 - Amazon.com, Inc.ZA
3.161.94.843.161.88.0/21AS16509AMAZON-02 - Amazon.com, Inc.ZA
3.175.227.123.175.224.0/21AS16509AMAZON-02 - Amazon.com, Inc.JP
3.175.227.283.175.224.0/21AS16509AMAZON-02 - Amazon.com, Inc.JP
3.175.227.703.175.224.0/21AS16509AMAZON-02 - Amazon.com, Inc.JP
3.175.227.953.175.224.0/21AS16509AMAZON-02 - Amazon.com, Inc.JP

WHOIS identity

Registrar
iana:146
Organization
domains by proxy,
Contact emails

Subdomains

43 observed subdomains of planbook.com.

Web-graph footprint

Distinct hostnames that link to or from planbook.com in the public web crawl.

300 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for planbook.com.

MechanismTarget
SPF_INCLUDE44552839.spf06.hubspotemail.net
SPF_INCLUDE_spf.google.com

Related pages

Pivot deeper into the graph from planbook.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "planbook.com"})-[: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.