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Hostname

coursebridge.com

Last fetched

coursebridge.com resolves to 1 IPv4 address operated by CL-ASN-01 - Cambium Learning, Inc. in US. WHOIS lists iana:292 as the registrar.

Nutrition Label

WHISPER CANON · coursebridge.comRouting diversity1.5/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/coursebridge.com

Resolution chain

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

IPPrefixASNOperatorCountry
66.248.224.17766.248.224.0/24AS397969CL-ASN-01 - Cambium Learning, Inc.US

WHOIS identity

Registrar
iana:292
Organization
dnstination
Contact emails

Subdomains

4 observed subdomains of coursebridge.com.

Subdomain
directory.coursebridge.com
mail.coursebridge.com
www.coursebridge.com

Showing 3 of 4. View all subdomains →

Web-graph footprint

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

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

9 SPF mechanisms authorising senders for coursebridge.com.

MechanismTarget
SPF_INCLUDEmktomail.com
SPF_INCLUDEspf.happyfox.com
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspfa.navexglobal.com
SPF_IP50.238.167.160/27
SPF_IP63.241.231.240/29
SPF_IP66.151.242.3
SPF_IP67.139.115.194
SPF_IP98.110.223.0/24

Related pages

Pivot deeper into the graph from coursebridge.com.

Cypher and MCP

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

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