Skip to content

Hostname

claus.co

Last fetched

claus.co resolves to 20 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in CZ. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · claus.coRouting diversity4.2/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency3.3/10Resolver footprint8.3/10canon.whisper.security/host/claus.co

Resolution chain

claus.co resolves to 20 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
13.227.192.12313.227.192.0/24AS16509AMAZON-02 - Amazon.com, Inc.CZ
13.227.192.2413.227.192.0/24AS16509AMAZON-02 - Amazon.com, Inc.CZ
13.227.192.5613.227.192.0/24AS16509AMAZON-02 - Amazon.com, Inc.CZ
13.227.192.813.227.192.0/24AS16509AMAZON-02 - Amazon.com, Inc.CZ
18.173.233.11118.173.232.0/22AS16509AMAZON-02 - Amazon.com, Inc.DE
18.173.233.4718.173.232.0/22AS16509AMAZON-02 - Amazon.com, Inc.DE
18.173.233.5418.173.232.0/22AS16509AMAZON-02 - Amazon.com, Inc.DE
18.173.233.8018.173.232.0/22AS16509AMAZON-02 - Amazon.com, Inc.DE
3.171.117.1013.171.116.0/22AS16509AMAZON-02 - Amazon.com, Inc.US
3.171.117.1043.171.116.0/22AS16509AMAZON-02 - Amazon.com, Inc.US
3.171.117.113.171.116.0/22AS16509AMAZON-02 - Amazon.com, Inc.US
3.171.117.223.171.116.0/22AS16509AMAZON-02 - Amazon.com, Inc.US
54.192.35.11054.192.34.0/23AS16509AMAZON-02 - Amazon.com, Inc.DE
54.192.35.3354.192.34.0/23AS16509AMAZON-02 - Amazon.com, Inc.DE
54.192.35.4054.192.34.0/23AS16509AMAZON-02 - Amazon.com, Inc.DE
54.192.35.9554.192.34.0/23AS16509AMAZON-02 - Amazon.com, Inc.DE
99.84.91.12799.84.88.0/21AS16509AMAZON-02 - Amazon.com, Inc.AT
99.84.91.4099.84.88.0/21AS16509AMAZON-02 - Amazon.com, Inc.AT
99.84.91.4799.84.88.0/21AS16509AMAZON-02 - Amazon.com, Inc.AT
99.84.91.5499.84.88.0/21AS16509AMAZON-02 - Amazon.com, Inc.AT

WHOIS identity

Registrar
iana:146
Organization
domains by proxy,
Contact emails

Subdomains

11 observed subdomains of claus.co.

Web-graph footprint

Distinct hostnames that link to or from claus.co in the public web crawl.

5 sites link to this hostname.

13 sites linked to from this hostname.

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for claus.co.

MechanismTarget
SPF_Aclaus.co
SPF_INCLUDE_spf.rdstation.com.br
SPF_INCLUDEsecureserver.net
SPF_INCLUDEsendgrid.net
SPF_MXclaus.co

Related pages

Pivot deeper into the graph from claus.co.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "claus.co"})-[: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.