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Hostname

rufruf.cz

Last fetched

rufruf.cz resolves to 6 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in DE.

Nutrition Label

WHISPER CANON · rufruf.czRouting diversity3.9/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.6/10canon.whisper.security/host/rufruf.cz

Resolution chain

rufruf.cz resolves to 6 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
18.159.161.20418.156.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.DE
18.196.105.4518.196.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.DE
18.196.106.12018.196.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.DE
3.65.108.663.64.0.0/12AS16509AMAZON-02 - Amazon.com, Inc.DE
35.159.190.1235.156.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.DE
63.178.27.23163.176.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.DE

WHOIS identity

No WHOIS records are currently associated with rufruf.cz in WhisperGraph.

Subdomains

9 observed subdomains of rufruf.cz.

Web-graph footprint

Distinct hostnames that link to or from rufruf.cz in the public web crawl.

84 sites link to this hostname.

86 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for rufruf.cz.

MechanismTarget
SPF_INCLUDE_emailing.heureka.cz
SPF_INCLUDE_spf.google.com

Related pages

Pivot deeper into the graph from rufruf.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rufruf.cz"})-[: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.