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Hostname

rcb.at

Last fetched

rcb.at resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:internetx gmbh as the registrar.

Nutrition Label

WHISPER CANON · rcb.atRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/rcb.at

Resolution chain

rcb.at resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.85.43104.21.80.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.202.71172.67.192.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
registrar:internetx gmbh
Organization
guenter voelker
Contact emails
—

Subdomains

16 observed subdomains of rcb.at.

Subdomain
jobs.rcb.at
www.rcb.at
wlanp2.rcb.at
wlanp1.rcb.at
teaming.rcb.at
survey.rcb.at
static.rcb.at
sftp.rcb.at
research.rcb.at
push.rcb.at
office2.rcb.at
office.rcb.at
mail2.rcb.at
mail.rcb.at
lom.rcb.at
login.rcb.at

Web-graph footprint

Distinct hostnames that link to or from rcb.at in the public web crawl.

52 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for rcb.at.

MechanismTarget
SPF_Amail.rcb.at
SPF_Amail2.rcb.at
SPF_INCLUDE_spf.senders.scnem.com
SPF_INCLUDEspf.protection.outlook.com
SPF_MXrcb.at

Related pages

Pivot deeper into the graph from rcb.at.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rcb.at"})-[: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.