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Hostname

core21.ca

Last fetched

core21.ca has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:go daddy domains canada, inc as the registrar.

Nutrition Label

WHISPER CANON · core21.caRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.0/10canon.whisper.security/host/core21.ca

Resolution chain

core21.ca has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar
registrar:go daddy domains canada, inc
Organization
amy gazdik
Contact emails

Subdomains

2 observed subdomains of core21.ca.

Subdomain
spaces.core21.ca
www.core21.ca

Web-graph footprint

Distinct hostnames that link to or from core21.ca in the public web crawl.

8 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for core21.ca.

MechanismTarget
SPF_INCLUDE_spf.nexudus.com
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from core21.ca.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "core21.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.