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Hostname

quarterdeck.co

Last fetched

quarterdeck.co resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · quarterdeck.coRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/quarterdeck.co

Resolution chain

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

IPPrefixASNOperatorCountry
104.21.38.166104.21.32.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.136.120172.67.128.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:146
Organization
day 8 experiences
Contact emails

Subdomains

10 observed subdomains of quarterdeck.co.

Web-graph footprint

Distinct hostnames that link to or from quarterdeck.co in the public web crawl.

10 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

3 SPF mechanisms authorising senders for quarterdeck.co.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEsendgrid.net
SPF_INCLUDEservers.mcsv.net

Related pages

Pivot deeper into the graph from quarterdeck.co.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "quarterdeck.co"})-[: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.