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Hostname

masterbooks.com

Last fetched

masterbooks.com resolves to 1 IPv4 address operated by ASN-GIGENET - GigeNET in US. WHOIS lists iana:1910 as the registrar.

Nutrition Label

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

Resolution chain

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

IPPrefixASNOperatorCountry
216.38.6.84216.38.0.0/19AS32181ASN-GIGENET - GigeNETUS

WHOIS identity

Registrar
iana:1910
Organization
******** ******** (see notes section below on how to view unmasked data)
Contact emails

Subdomains

8 observed subdomains of masterbooks.com.

Web-graph footprint

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

Threat posture

History

Mail and authentication

SPF policy

5 SPF mechanisms authorising senders for masterbooks.com.

MechanismTarget
SPF_Amasterbooks.com
SPF_INCLUDEmail.zendesk.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP40.134.45.144/28
SPF_MXmasterbooks.com

Related pages

Pivot deeper into the graph from masterbooks.com.

Cypher and MCP

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

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