Hostname
opus40.org
Last fetched
opus40.org resolves to 1 IPv4 address operated by AS43515 in US. WHOIS lists iana:65 as the registrar.
Nutrition Label
Resolution chain
opus40.org resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 35.212.17.242 | 35.212.0.0/17 | AS43515 | — | US |
WHOIS identity
- Registrar
- iana:65
- Organization
- opus 40
- Contact emails
Subdomains
2 observed subdomains of opus40.org.
| Subdomain |
|---|
| mail.opus40.org |
| www.opus40.org |
Web-graph footprint
Distinct hostnames that link to or from opus40.org in the public web crawl.
223 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for opus40.org.
| Mechanism | Target |
|---|---|
| SPF_A | opus40.org |
| SPF_INCLUDE | opus40.org.spf.auto.dnssmarthost.net |
| SPF_IP | 35.212.37.232 |
| SPF_MX | opus40.org |
Related pages
Pivot deeper into the graph from opus40.org.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "opus40.org"})-[: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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.