Hostname

crs4.it

Last fetched Wed, 27 May 2026 22:00:08 GMT

crs4.it has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:consortium garr as the registrar.

Nutrition Label

Resolution chain

crs4.it 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: registrar:consortium garr
Organization: centre for advanced studies, research and development in sardinia
Contact emails: —

Subdomains

426 observed subdomains of crs4.it.

Subdomain
abele.crs4.it
billing.crs4.it
bi.crs4.it
bernabo.crs4.it
bentuestu.crs4.it
bc.crs4.it
auth.crs4.it
asterix.crs4.it
arasule.crs4.it
aquatics.crs4.it
app-handyparking.crs4.it
api-handyparking.crs4.it
andasa.crs4.it
amon.crs4.it
amaphprelease.crs4.it
alternanzascuolalavoro.crs4.it
alcatraz.crs4.it
agriot.crs4.it
agct.crs4.it
addax-beta.crs4.it
addax.crs4.it
active.crs4.it
acqua.crs4.it
acdc.crs4.it
acc.crs4.it

Showing 25 of 426. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from crs4.it in the public web crawl.

440 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for crs4.it.

Mechanism	Target
SPF_A	smtp.crs4.it
SPF_A	smtps.crs4.it

Pivot deeper into the graph from crs4.it.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "crs4.it"})-[: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.