Hostname

sdunion.jp

Last fetched Tue, 30 Jun 2026 01:56:21 GMT

sdunion.jp resolves to 1 IPv4 address operated by AS9353 in JP.

Nutrition Label

Resolution chain

sdunion.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
210.233.72.26	210.233.64.0/20	AS9353	—	JP

WHOIS identity

Registrar

—

Organization

akira iketomi

Contact emails

sys_domain@bridge-net.co.jp

Subdomains

2 observed subdomains of sdunion.jp.

Subdomain
mx.sdunion.jp
www.sdunion.jp

Web-graph footprint

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

16 sites linked to from this hostname.

Sample inbound links

suzuki.co.jp

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mx.sdunion.jp

SPF policy

3 SPF mechanisms authorising senders for sdunion.jp.

Mechanism	Target
SPF_IP	210.233.72.4
SPF_IP	219.127.208.0/24
SPF_IP	221.250.86.152/29

Pivot deeper into the graph from sdunion.jp.

Cypher and MCP

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

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