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Hostname

semantics21.com

Last fetched

semantics21.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1647 as the registrar.

Nutrition Label

WHISPER CANON · semantics21.comRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.0/10canon.whisper.security/host/semantics21.com

Resolution chain

semantics21.com resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.10.138104.21.0.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.190.54172.67.176.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:1647
Organization
liam owens
Contact emails

Subdomains

5 observed subdomains of semantics21.com.

Subdomain
mail.semantics21.com
support.semantics21.com
training.semantics21.com
videos.semantics21.com
www.semantics21.com

Web-graph footprint

Distinct hostnames that link to or from semantics21.com in the public web crawl.

17 sites link to this hostname.

34 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for semantics21.com.

MechanismTarget
SPF_Asemantics21.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP188.64.184.41
SPF_IP188.64.185.153
SPF_IP195.216.197.95
SPF_MXsemantics21.com

Related pages

Pivot deeper into the graph from semantics21.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "semantics21.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.