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Hostname

1cs.jp

Last fetched

1cs.jp resolves to 16 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in DE.

Nutrition Label

WHISPER CANON · 1cs.jpRouting diversity3.5/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency6.7/10Resolver footprint8.3/10canon.whisper.security/host/1cs.jp

Resolution chain

1cs.jp resolves to 16 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
18.244.18.10018.244.40.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
18.244.18.618.244.40.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
18.244.18.7618.244.40.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
18.244.18.9618.244.40.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
52.85.31.10552.85.51.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
52.85.31.11552.85.51.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
52.85.31.11652.85.51.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
52.85.31.9652.85.51.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
52.85.78.1052.85.111.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
52.85.78.12652.85.111.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
52.85.78.1552.85.111.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
52.85.78.9052.85.111.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
18.64.211.1718.64.226.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
18.64.211.11918.64.226.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
18.64.211.9118.64.226.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
18.64.211.7318.64.226.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE

WHOIS identity

Registrar
—
Organization
sosjapan co.,ltd.
Contact emails

Subdomains

32 observed subdomains of 1cs.jp.

Subdomain
a.1cs.jp
backup.1cs.jp
backup2-staging.1cs.jp
backup2.1cs.jp
dev-mx.1cs.jp
docker-vpc-nat-gateway-production.1cs.jp
manchot-resources.1cs.jp
mx.1cs.jp
ns1.1cs.jp
pwa.1cs.jp
pwah.1cs.jp
staging-resources.1cs.jp
staging.1cs.jp
test-resources.1cs.jp
test.1cs.jp
www.1cs.jp

Showing 16 of 32. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from 1cs.jp in the public web crawl.

1,101 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for 1cs.jp.

MechanismTarget
SPF_INCLUDEamazonses.com
SPF_INCLUDEspf.baremetal.jp

Related pages

Pivot deeper into the graph from 1cs.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "1cs.jp"})-[: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.