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Hostname

markblack.ca

Last fetched

markblack.ca appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

WHISPER CANON · markblack.caRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/markblack.ca

Resolution chain

markblack.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

WHOIS data is temporarily unavailable. Refresh in a moment to retry.

Subdomains

Subdomain count is temporarily unavailable. Refresh in a moment to retry.

Web-graph footprint

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

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for markblack.ca.

MechanismTarget
SPF_REDIRECT_s3nkysi0v.sdmarc.net

Related pages

Pivot deeper into the graph from markblack.ca.

Cypher and MCP

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

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