Skip to content

Hostname

jybook.com.tw

Last fetched

jybook.com.tw resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

WHISPER CANON · jybook.com.twRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/jybook.com.tw

Resolution chain

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

IPPrefixASNOperatorCountry
104.21.22.203104.21.16.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.206.234172.67.192.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

No WHOIS records are currently associated with jybook.com.tw in WhisperGraph.

Subdomains

1 observed subdomain of jybook.com.tw.

Subdomain
www.jybook.com.tw

Web-graph footprint

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

34 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for jybook.com.tw.

MechanismTarget
SPF_INCLUDE_spf.mailcloud.com.tw

Related pages

Pivot deeper into the graph from jybook.com.tw.

Cypher and MCP

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

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