Hostname

ydc.co.jp

Last fetched Sun, 09 Aug 2026 23:56:49 GMT

ydc.co.jp appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

Resolution chain

ydc.co.jp has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar: —
Organization: future artisan,
Contact emails: —

Subdomains

17 observed subdomains of ydc.co.jp.

Subdomain
db.ydc.co.jp
eps-ap.ydc.co.jp
fleacia.ydc.co.jp
fsa.ydc.co.jp
gitlab.ydc.co.jp
mktg.ydc.co.jp
ns2.ydc.co.jp
smtp.ydc.co.jp
sonar.ydc.co.jp
sonarsvs.ydc.co.jp
world.ydc.co.jp
www.ydc.co.jp

Showing 12 of 17. View all subdomains →

Web-graph footprint

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

58 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for ydc.co.jp.

Mechanism	Target
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	amazonses.com
SPF_INCLUDE	spf.mta.hdems.com
SPF_IP	39.110.243.135

Pivot deeper into the graph from ydc.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ydc.co.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.