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Hostname

r-ct.de

Last fetched

r-ct.de resolves to 1 IPv4 address operated by AS8560 in DE.

Nutrition Label

WHISPER CANON · r-ct.deRouting diversity1.5/10Peering density6.3/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/r-ct.de

Resolution chain

r-ct.de resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
217.160.11.23217.160.0.0/16AS8560—DE

WHOIS identity

No WHOIS records are currently associated with r-ct.de in WhisperGraph.

Subdomains

3 observed subdomains of r-ct.de.

Subdomain
mail.r-ct.de
webmail.r-ct.de
www.r-ct.de

Web-graph footprint

Distinct hostnames that link to or from r-ct.de in the public web crawl.

14 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for r-ct.de.

MechanismTarget
SPF_Alisa.za19hs-net.de
SPF_Ar-ct.de
SPF_IP217.160.11.23
SPF_IP217.160.13.37
SPF_MXr-ct.de

Related pages

Pivot deeper into the graph from r-ct.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "r-ct.de"})-[: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.