Hostname
cube521.lu
Last fetched
cube521.lu resolves to 1 IPv4 address operated by AS16276 in FR.
Nutrition Label
Resolution chain
cube521.lu 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 |
|---|---|---|---|---|
| 51.91.223.66 | 51.91.0.0/16 | AS16276 | — | FR |
WHOIS identity
No WHOIS records are currently associated with cube521.lu in WhisperGraph.
Subdomains
1 observed subdomain of cube521.lu.
| Subdomain |
|---|
| www.cube521.lu |
Web-graph footprint
Distinct hostnames that link to or from cube521.lu in the public web crawl.
92 sites link to this hostname.
22 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for cube521.lu.
| Mechanism | Target |
|---|---|
| SPF_A | cube521.lu |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 37.187.28.164 |
| SPF_MX | cube521.lu |
Related pages
Pivot deeper into the graph from cube521.lu.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cube521.lu"})-[: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.