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Hostname

holberg.ca

Last fetched

holberg.ca resolves to 1 IPv4 address operated by WHG-DAL in US.

Nutrition Label

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

Resolution chain

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

IPPrefixASNOperatorCountry
192.250.227.238192.250.227.0/24AS36454WHG-DALUS

WHOIS identity

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Subdomains

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Web-graph footprint

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

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

  • holberg.ca

SPF policy

4 SPF mechanisms authorising senders for holberg.ca.

MechanismTarget
SPF_Aholberg.ca
SPF_INCLUDEspf.mysecurecloudhost.com
SPF_IP192.250.227.238
SPF_MXholberg.ca

Related pages

Pivot deeper into the graph from holberg.ca.

Cypher and MCP

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

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