Hostname

c3b.fr

Last fetched Thu, 21 May 2026 16:23:27 GMT

c3b.fr resolves to 1 IPv4 address operated by OWENTIS-AS in FR. WHOIS lists registrar:ovh as the registrar.

Nutrition Label

Resolution chain

c3b.fr resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
46.30.202.164	46.30.200.0/21	AS39444	OWENTIS-AS	FR

WHOIS identity

Registrar: registrar:ovh
Organization: —
Contact emails: —

Subdomains

2 observed subdomains of c3b.fr.

Subdomain
mail.c3b.fr
www.c3b.fr

Web-graph footprint

Distinct hostnames that link to or from c3b.fr in the public web crawl.

8 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.c3b.fr

SPF policy

2 SPF mechanisms authorising senders for c3b.fr.

Mechanism	Target
SPF_A	c3b.fr
SPF_MX	c3b.fr

Pivot deeper into the graph from c3b.fr.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "c3b.fr"})-[: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.