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Hostname

opensfs.org

Last fetched

opensfs.org resolves to 4 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

WHISPER CANON · opensfs.orgRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/opensfs.org

Resolution chain

opensfs.org resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.11.206104.21.0.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.192.161172.67.192.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.96.0188.114.96.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.97.0188.114.97.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

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Subdomains

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Web-graph footprint

Distinct hostnames that link to or from opensfs.org in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for opensfs.org.

MechanismTarget
SPF_Aopensfs.org
SPF_INCLUDEnetblocks.dreamhost.com
SPF_IP50.201.23.206/32
SPF_IP50.201.25.89/32
SPF_IP50.76.103.53/32
SPF_IP69.160.44.10/32
SPF_MXopensfs.org

Related pages

Pivot deeper into the graph from opensfs.org.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "opensfs.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.