Hostname
f1s.org
Last fetched
f1s.org resolves to 1 IPv4 address operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:146 as the registrar.
Nutrition Label
Resolution chain
f1s.org 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 |
|---|---|---|---|---|
| 104.17.69.73 | 104.17.64.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:146
- Organization
- this domain was caught by dropcatch.com
- Contact emails
Subdomains
30 observed subdomains of f1s.org.
Showing 25 of 30. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from f1s.org in the public web crawl.
85 sites link to this hostname.
180 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for f1s.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.bbnotify.net |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | spf.schoolwires.net |
| SPF_IP | 12.171.92.2/32 |
| SPF_IP | 12.171.93.123/32 |
| SPF_IP | 12.171.93.124/32 |
| SPF_MX | f1s.org |
Related pages
Pivot deeper into the graph from f1s.org.
- IP · 104.17.69.73
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:146
- Country · CA
- Email · rick77@gmail.com
- TLD · .org
- Browse hostnames · f1…
- 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: "f1s.org"})-[: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.