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Hostname

castletltd.com

Last fetched

castletltd.com resolves to 1 IPv4 address operated by AS34270 in GB. WHOIS lists iana:69 as the registrar.

Nutrition Label

WHISPER CANON · castletltd.comRouting diversity1.5/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/castletltd.com

Resolution chain

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

IPPrefixASNOperatorCountry
85.91.237.11285.91.224.0/19AS34270—GB

WHOIS identity

Registrar
iana:69
Organization
castlet
Contact emails

Subdomains

4 observed subdomains of castletltd.com.

Subdomain
mail.castletltd.com
rbweb.castletltd.com
rdweb.castletltd.com
www.castletltd.com

Web-graph footprint

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

23 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for castletltd.com.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_IP148.105.0.0/16
SPF_IP198.2.128.0/18
SPF_IP205.201.128.0/20
SPF_IP81.130.136.219
SPF_IP85.91.237.112

Related pages

Pivot deeper into the graph from castletltd.com.

Cypher and MCP

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

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