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Hostname

opus-4.com

Last fetched

opus-4.com has no current public IPv4 resolution in WhisperGraph; WHOIS lists iana:1390 as the registrar.

Nutrition Label

WHISPER CANON · opus-4.comRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/opus-4.com

Resolution chain

opus-4.com has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar
iana:1390
Organization
com systems
Contact emails

Subdomains

3 observed subdomains of opus-4.com.

Subdomain
link.opus-4.com
www.opus-4.com
staging.opus-4.com

Web-graph footprint

Distinct hostnames that link to or from opus-4.com in the public web crawl.

26 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for opus-4.com.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.uk.exclaimer.net
SPF_IP164.39.11.128/27
SPF_IP85.199.225.132/32
SPF_IP85.199.232.130/32
SPF_IP91.197.228.194
SPF_MXmxshield1.itanswers.com
SPF_MXopus-4.com

Related pages

Pivot deeper into the graph from opus-4.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "opus-4.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.