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Hostname

grammarbook.com

Last fetched

grammarbook.com resolves to 2 IPv4 addresses operated by SOFTLAYER - IBM Cloud in US. WHOIS lists iana:146 as the registrar.

Nutrition Label

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

Resolution chain

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

IPPrefixASNOperatorCountry
150.238.96.148150.238.64.0/18AS36351SOFTLAYER - IBM CloudUS
150.238.45.247150.238.0.0/18AS36351SOFTLAYER - IBM CloudUS

WHOIS identity

Registrar
iana:146
Organization
domains by proxy,
Contact emails

Subdomains

30 observed subdomains of grammarbook.com.

Web-graph footprint

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

Threat posture

History

Mail and authentication

SPF policy

3 SPF mechanisms authorising senders for grammarbook.com.

MechanismTarget
SPF_INCLUDE_spf.getresponse.com
SPF_INCLUDEnt16.myweblinx.net
SPF_IP150.238.96.148

Related pages

Pivot deeper into the graph from grammarbook.com.

Cypher and MCP

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

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