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Hostname

textbooks.dad

Last fetched

textbooks.dad resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:69 as the registrar.

Nutrition Label

WHISPER CANON · textbooks.dadRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/textbooks.dad

Resolution chain

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

IPPrefixASNOperatorCountry
104.21.94.154104.21.80.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.137.201172.67.128.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:69
Organization
1337 services
Contact emails
—

Subdomains

2 observed subdomains of textbooks.dad.

Subdomain
staging.textbooks.dad
www.textbooks.dad

Web-graph footprint

Distinct hostnames that link to or from textbooks.dad in the public web crawl.

139 sites link to this hostname.

148 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for textbooks.dad.

MechanismTarget
SPF_INCLUDEzoho.com
SPF_INCLUDEzohomail.com

Related pages

Pivot deeper into the graph from textbooks.dad.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "textbooks.dad"})-[: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.