Skip to content

Hostname

jcf.io

Last fetched

jcf.io resolves to 1 IPv4 address operated by NMM-AS D - 02742 Friedersdorf Hauptstrasse 68 in DE. WHOIS lists iana:976 as the registrar.

Nutrition Label

WHISPER CANON · jcf.ioRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/jcf.io

Resolution chain

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

IPPrefixASNOperatorCountry
85.13.131.18585.13.131.0/24AS34788NMM-AS D - 02742 Friedersdorf Hauptstrasse 68DE

WHOIS identity

Registrar
iana:976
Organization
—
Contact emails
—

Subdomains

10 observed subdomains of jcf.io.

Subdomain
mailings.jcf.io
www.jcf.io
symposium.jcf.io
podcast.jcf.io
ostsymposium.jcf.io
mta-sts.jcf.io

Showing 6 of 10. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from jcf.io in the public web crawl.

77 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for jcf.io.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEspf.sendinblue.com

Related pages

Pivot deeper into the graph from jcf.io.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "jcf.io"})-[: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.