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Hostname

ark.blue

Last fetched

ark.blue resolves to 3 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:49 as the registrar.

Nutrition Label

WHISPER CANON · ark.blueRouting diversity3.0/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint6.0/10canon.whisper.security/host/ark.blue

Resolution chain

ark.blue resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.56.136104.21.48.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
162.43.120.126162.43.0.0/17AS131965—JP
172.67.186.160172.67.176.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:49
Organization
whois privacy protection service by value-domain
Contact emails

Subdomains

4 observed subdomains of ark.blue.

Subdomain
d6de88e7bf80.ark.blue
www.ark.blue
mta-sts.ark.blue

Showing 3 of 4. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from ark.blue in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for ark.blue.

MechanismTarget
SPF_Aark.blue
SPF_Asv14125.xserver.jp
SPF_INCLUDEspf.sender.xserver.jp
SPF_IP183.90.253.4
SPF_MXark.blue

Related pages

Pivot deeper into the graph from ark.blue.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ark.blue"})-[: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.