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Hostname

fcso.us

Last fetched

fcso.us resolves to 1 IPv4 address operated by NCREN - MCNC in US. WHOIS lists iana:9 as the registrar.

Nutrition Label

WHISPER CANON · fcso.usRouting diversity1.5/10Peering density6.5/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/fcso.us

Resolution chain

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

IPPrefixASNOperatorCountry
198.85.20.50198.85.0.0/16AS81NCREN - MCNCUS

WHOIS identity

Registrar
iana:9
Organization
byron miller
Contact emails

Subdomains

9 observed subdomains of fcso.us.

Subdomain
autodiscover.fcso.us
www.fcso.us
p2c.fcso.us
mail2.fcso.us
mail.fcso.us
localhost.fcso.us
fcsohybridex.fcso.us
fcsoexchange.fcso.us
fcsoemailarchiver.fcso.us

Web-graph footprint

Distinct hostnames that link to or from fcso.us in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for fcso.us.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspfa.cpmails.com
SPF_IP198.85.16.0/20
SPF_IP198.85.184.0/22
SPF_MXfcso.us

Related pages

Pivot deeper into the graph from fcso.us.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "fcso.us"})-[: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.