Hostname
colfi.co
Last fetched
colfi.co resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:146 as the registrar.
Nutrition Label
Resolution chain
colfi.co 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 |
|---|---|---|---|---|
| 104.21.50.57 | 104.21.48.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.168.22 | 172.67.160.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:146
- Organization
- domains by proxy,
- Contact emails
- —
Subdomains
3 observed subdomains of colfi.co.
Web-graph footprint
Distinct hostnames that link to or from colfi.co in the public web crawl.
10 sites link to this hostname.
20 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
15 SPF mechanisms authorising senders for colfi.co.
| Mechanism | Target |
|---|---|
| SPF_A | colfi.co |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | amazonses.com |
| SPF_IP | 199.127.232.0/22 |
| SPF_IP | 199.255.192.0/22 |
| SPF_IP | 216.221.160.0/19 |
| SPF_IP | 23.249.208.0/20 |
| SPF_IP | 23.251.224.0/19 |
| SPF_IP | 52.82.172.0/22 |
| SPF_IP | 54.240.0.0/18 |
| SPF_IP | 54.240.64.0/19 |
| SPF_IP | 54.240.96.0/19 |
| SPF_IP | 69.169.224.0/20 |
| SPF_IP | 76.223.128.0/19 |
| SPF_IP | 76.223.176.0/20 |
Related pages
Pivot deeper into the graph from colfi.co.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "colfi.co"})-[: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.