Hostname

tkgroup.co.jp

Last fetched Fri, 29 May 2026 22:41:14 GMT

tkgroup.co.jp resolves to 1 IPv4 address operated by AS9371 in JP.

Nutrition Label

Resolution chain

tkgroup.co.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
49.212.235.75	49.212.0.0/16	AS9371	—	JP

WHOIS identity

Registrar: —
Organization: takahashi co.,ltd.
Contact emails: —

Subdomains

2 observed subdomains of tkgroup.co.jp.

Subdomain
mail.tkgroup.co.jp
www.tkgroup.co.jp

Web-graph footprint

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

31 sites link to this hostname.

61 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

smtp.google.com

SPF policy

2 SPF mechanisms authorising senders for tkgroup.co.jp.

Mechanism	Target
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	dns.ne.jp

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

Cypher and MCP

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

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