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Hostname

b5systems.com

Last fetched

b5systems.com resolves to 1 IPv4 address operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · b5systems.comRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/b5systems.com

Resolution chain

b5systems.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.19.154.92104.19.144.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:146
Organization
b5 systems
Contact emails

Subdomains

2 observed subdomains of b5systems.com.

Subdomain
media.b5systems.com
www.b5systems.com

Web-graph footprint

Distinct hostnames that link to or from b5systems.com in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

9 SPF mechanisms authorising senders for b5systems.com.

MechanismTarget
SPF_INCLUDE_spf.psm.knowbe4.com
SPF_INCLUDE_spf.smtp.com
SPF_INCLUDErelay.mailchannels.net
SPF_INCLUDEspf.protection.outlook.com
SPF_IP24.27.178.105
SPF_IP3.13.19.235
SPF_IP52.200.252.231/32
SPF_IP52.21.224.229/32
SPF_IP76.190.71.18

Related pages

Pivot deeper into the graph from b5systems.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "b5systems.com"})-[: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.