sentinelgroup.ca

Nutrition Label

Resolution chain

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

WHOIS identity

Registrar

registrar:netfirms, ltd

Organization

rick armstrong

Contact emails

• rarmstrong@sentinelgroup.ca

Subdomains

6 observed subdomains of sentinelgroup.ca.

Web-graph footprint

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

14 sites link to this hostname.

29 sites linked to from this hostname.

Threat posture

History

Mail and authentication

Related pages

Pivot deeper into the graph from sentinelgroup.ca.

• IP · 140.238.148.26
• ASN · AS31898ORACLE-BMC-31898 - Oracle Corporation
• Registrar · registrar:netfirms, ltd
• Country · CA
• Email · rarmstrong@sentinelgroup.ca
• TLD · .ca
• Browse hostnames · se…
• Glossary · What is a hostname?
• Whisper Internet Directory — home
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP
• United States internet infrastructure

Cypher and MCP

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

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