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Hostname

fdsn.org

Last fetched

fdsn.org resolves to 1 IPv4 address operated by WASHINGTON-AS - University of Washington in US. WHOIS lists iana:2 as the registrar.

Nutrition Label

WHISPER CANON · fdsn.orgRouting diversity1.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/fdsn.org

Resolution chain

fdsn.org resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
128.95.166.134128.95.0.0/16AS73WASHINGTON-AS - University of WashingtonUS

WHOIS identity

Registrar
iana:2
Organization
iris data management center
Contact emails

Subdomains

3 observed subdomains of fdsn.org.

Web-graph footprint

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

212 sites link to this hostname.

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for fdsn.org.

MechanismTarget
SPF_Ads.iris.edu
SPF_Afdsn.fdsn.org
SPF_Afdsn.org
SPF_Airis.washington.edu
SPF_INCLUDE_spf.google.com
SPF_IP128.95.166.134
SPF_IP192.5.99.1

Related pages

Pivot deeper into the graph from fdsn.org.

Cypher and MCP

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

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