Hostname

dfc.ca

Last fetched Sat, 30 May 2026 14:08:14 GMT

dfc.ca resolves to 1 IPv4 address operated by COGECO-PEER1 - Aptum Technologies in CA. WHOIS lists registrar:rebel.ca corp. as the registrar.

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
70.33.241.229	70.33.240.0/23	AS13768	COGECO-PEER1 - Aptum Technologies	CA

WHOIS identity

Registrar: registrar:rebel.ca corp.
Organization: —
Contact emails: —

Subdomains

1 observed subdomain of dfc.ca.

Subdomain
www.dfc.ca

Web-graph footprint

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

8 sites linked to from this hostname.

Sample inbound links

retrospect.com

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for dfc.ca.

Mechanism	Target
SPF_IP	173.46.152.128/25
SPF_IP	199.244.76.0/24

Pivot deeper into the graph from dfc.ca.

Cypher and MCP

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

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