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Hostname

rost.ca

Last fetched

rost.ca resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:centralnic canada inc as the registrar.

Nutrition Label

WHISPER CANON · rost.caRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/rost.ca

Resolution chain

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

IPPrefixASNOperatorCountry
104.21.90.254104.21.80.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.163.247172.67.160.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
registrar:centralnic canada inc
Organization
domain administrator
Contact emails

Subdomains

6 observed subdomains of rost.ca.

Web-graph footprint

Distinct hostnames that link to or from rost.ca in the public web crawl.

2 sites linked to from this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

SPF policy

1 SPF mechanism authorising senders for rost.ca.

MechanismTarget
SPF_INCLUDEamazonses.com

Related pages

Pivot deeper into the graph from rost.ca.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rost.ca"})-[: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.