Hostname
fast4u.ca
Last fetched
fast4u.ca resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:150 as the registrar.
Nutrition Label
Resolution chain
fast4u.ca resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.21.76.101 | 104.21.64.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.192.175 | 172.67.192.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:150
- Organization
- —
- Contact emails
- —
Subdomains
9 observed subdomains of fast4u.ca.
Web-graph footprint
Distinct hostnames that link to or from fast4u.ca in the public web crawl.
10 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
2 SPF mechanisms authorising senders for fast4u.ca.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 15.235.9.25 |
Related pages
Pivot deeper into the graph from fast4u.ca.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "fast4u.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.