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Hostname

buildersbooksource.com

Last fetched

buildersbooksource.com resolves to 4 IPv4 addresses operated by MACST-SV4 - MacStadium, Inc. in CA. WHOIS lists iana:2 as the registrar.

Nutrition Label

WHISPER CANON · buildersbooksource.comRouting diversity3.5/10Peering density6.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/buildersbooksource.com

Resolution chain

buildersbooksource.com resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
151.101.1.91151.101.0.0/22AS54113MACST-SV4 - MacStadium, Inc.CA
151.101.129.91151.101.128.0/22AS54113MACST-SV4 - MacStadium, Inc.CA
151.101.193.91151.101.192.0/22AS54113MACST-SV4 - MacStadium, Inc.CA
151.101.65.91151.101.64.0/22AS54113MACST-SV4 - MacStadium, Inc.CA

WHOIS identity

Registrar
iana:2
Organization
builders booksource
Contact emails

Subdomains

1 observed subdomain of buildersbooksource.com.

Subdomain
www.buildersbooksource.com

Web-graph footprint

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

50 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for buildersbooksource.com.

MechanismTarget
SPF_INCLUDEspf.bibliopolis.com

Related pages

Pivot deeper into the graph from buildersbooksource.com.

Cypher and MCP

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

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