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Hostname

nfb.org

Last fetched

nfb.org resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

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

Resolution chain

nfb.org resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
172.66.40.213172.66.40.0/21AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.66.43.43172.66.40.0/21AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

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Subdomains

Subdomain count is temporarily unavailable. Refresh in a moment to retry.

Web-graph footprint

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

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

9 SPF mechanisms authorising senders for nfb.org.

MechanismTarget
SPF_INCLUDE_spf.intacct.com
SPF_INCLUDEamazonses.com
SPF_INCLUDEsendgrid.net
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEus._netblocks.mimecast.com
SPF_IP107.0.121.60
SPF_IP159.183.106.203
SPF_IP50.232.19.154
SPF_MXnfb.org

Related pages

Pivot deeper into the graph from nfb.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "nfb.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.