Hostname

c21exceed.jp

Last fetched Wed, 26 Aug 2026 15:22:59 GMT

c21exceed.jp resolves to 1 IPv4 address operated by SAKURA-A - SAKURA Internet Inc. in JP.

Nutrition Label

Resolution chain

c21exceed.jp resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
153.125.129.93	153.125.128.0/18	AS7684	SAKURA-A - SAKURA Internet Inc.	JP

WHOIS identity

Registrar

—

Organization

—

Contact emails

hppack21@chukaio.com

Subdomains

1 observed subdomain of c21exceed.jp.

Subdomain
www.c21exceed.jp

Web-graph footprint

Distinct hostnames that link to or from c21exceed.jp in the public web crawl.

7 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

exceed2.sakura.ne.jp

SPF policy

1 SPF mechanism authorising senders for c21exceed.jp.

Mechanism	Target
SPF_MX	c21exceed.jp

Pivot deeper into the graph from c21exceed.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "c21exceed.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.