Hostname

oscr.lu

Last fetched Wed, 01 Jul 2026 03:55:08 GMT

oscr.lu resolves to 1 IPv4 address operated by AS50474 in FR.

Nutrition Label

Resolution chain

oscr.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
185.154.138.189	185.154.136.0/22	AS50474	—	FR

WHOIS identity

No WHOIS records are currently associated with oscr.lu in WhisperGraph.

Subdomains

1 observed subdomain of oscr.lu.

Subdomain
www.oscr.lu

Web-graph footprint

Distinct hostnames that link to or from oscr.lu in the public web crawl.

6 sites link to this hostname.

92 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mx.cloudbizz.lu

SPF policy

3 SPF mechanisms authorising senders for oscr.lu.

Mechanism	Target
SPF_A	oscr.lu
SPF_INCLUDE	spf.cloudbizz.lu
SPF_IP	109.234.166.88

Pivot deeper into the graph from oscr.lu.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "oscr.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.