Hostname
ctf.ca
Last fetched
ctf.ca resolves to 3 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.
Nutrition Label
Resolution chain
ctf.ca resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.26.4.229 | 104.26.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 104.26.5.229 | 104.26.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.68.72 | 172.67.64.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from ctf.ca in the public web crawl.
Threat posture
History
Mail and authentication
MX records
SPF policy
9 SPF mechanisms authorising senders for ctf.ca.
| Mechanism | Target |
|---|---|
| SPF_A | dispatch-us.ppe-hosted.com |
| SPF_INCLUDE | amazonses.com |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 24.37.113.3 |
| SPF_IP | 3.97.244.111 |
| SPF_IP | 3.98.191.142 |
| SPF_IP | 54.87.192.131 |
| SPF_IP | 66.199.35.114 |
Related pages
Pivot deeper into the graph from ctf.ca.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ctf.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.