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Hostname

lerna.courses

Last fetched

lerna.courses resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1068 as the registrar.

Nutrition Label

WHISPER CANON · lerna.coursesRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/lerna.courses

Resolution chain

lerna.courses resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.10.179104.21.0.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.131.174172.67.128.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:1068
Organization
privacy service provided by withheld for privacy ehf
Contact emails
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Subdomains

2 observed subdomains of lerna.courses.

Subdomain
7c2b1c604bf9.lerna.courses

Showing 1 of 2. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from lerna.courses in the public web crawl.

206 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for lerna.courses.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_IP110.34.54.6/32
SPF_IP198.187.29.27

Related pages

Pivot deeper into the graph from lerna.courses.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "lerna.courses"})-[: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.