Hostname
f36.net
Last fetched
f36.net resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:69 as the registrar.
Nutrition Label
Resolution chain
f36.net 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 |
|---|---|---|---|---|
| 104.21.58.4 | 104.21.48.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.196.77 | 172.67.192.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:69
- Organization
- nuno oliveira
- Contact emails
Subdomains
7 observed subdomains of f36.net.
Threat posture
History
Mail and authentication
SPF policy
12 SPF mechanisms authorising senders for f36.net.
| Mechanism | Target |
|---|---|
| SPF_A | f36.net |
| SPF_INCLUDE | _spf.atlassian.net |
| SPF_INCLUDE | _spf.hostedemail.com |
| SPF_INCLUDE | cmail1.com |
| SPF_INCLUDE | eu._netblocks.mimecast.com |
| SPF_INCLUDE | fdspfeuc.freshemail.io |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | spf.smtp2go.com |
| SPF_IP | 216.40.35.246/24 |
| SPF_IP | 78.129.188.20 |
| SPF_IP | 78.129.188.68 |
| SPF_IP | 95.154.239.9 |
Related pages
Pivot deeper into the graph from f36.net.
- IP · 104.21.58.4
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:69
- Country · CA
- Email · securingdomains@gmail.com
- TLD · .net
- Browse hostnames · f3…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "f36.net"})-[: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.