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Hostname

itbook.info

Last fetched

itbook.info resolves to 1 IPv4 address operated by SAKURA-B SAKURA Internet Inc. in JP. WHOIS lists iana:48 as the registrar.

Nutrition Label

WHISPER CANON · itbook.infoRouting diversity1.5/10Peering density4.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint5.2/10canon.whisper.security/host/itbook.info

Resolution chain

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

IPPrefixASNOperatorCountry
160.16.223.15160.16.128.0/17AS9370SAKURA-B SAKURA Internet Inc.JP

WHOIS identity

Registrar
iana:48
Organization
whois privacy protection service by value-domain
Contact emails

Subdomains

1 observed subdomain of itbook.info.

Subdomain
www.itbook.info

Web-graph footprint

Distinct hostnames that link to or from itbook.info in the public web crawl.

57 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for itbook.info.

MechanismTarget
SPF_INCLUDE_spf.emfwd.name-services.com
SPF_IP49.212.243.170/32
SPF_MXitbook.info

Related pages

Pivot deeper into the graph from itbook.info.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "itbook.info"})-[: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.