Hostname

rsu.ro

Last fetched Thu, 16 Jul 2026 12:33:27 GMT

rsu.ro resolves to 1 IPv4 address operated by AS24940 in DE. WHOIS lists registrar:cyber_folks s.r.l. as the registrar.

Nutrition Label

Resolution chain

rsu.ro 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
5.9.109.41	5.9.0.0/16	AS24940	—	DE

WHOIS identity

Registrar: registrar:cyber_folks s.r.l.
Organization: —
Contact emails: —

Subdomains

2 observed subdomains of rsu.ro.

Subdomain
mail.rsu.ro
www.rsu.ro

Web-graph footprint

Distinct hostnames that link to or from rsu.ro in the public web crawl.

311 sites linked to from this hostname.

Sample inbound links

mediafirst.ro

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.rsu.ro

SPF policy

3 SPF mechanisms authorising senders for rsu.ro.

Mechanism	Target
SPF_A	deep.proiectelatine.com
SPF_A	rsu.ro
SPF_MX	rsu.ro

Pivot deeper into the graph from rsu.ro.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rsu.ro"})-[: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.