Hostname

frequ.jp

Last fetched Fri, 22 May 2026 19:34:13 GMT

frequ.jp resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

Resolution chain

frequ.jp resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
104.21.90.167	104.21.80.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
172.67.158.52	172.67.144.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA

WHOIS identity

Registrar

—

Organization

(not displayed by registrant's request)

Contact emails

Subdomains

1 observed subdomain of frequ.jp.

Subdomain
www.frequ.jp

Web-graph footprint

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

96 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for frequ.jp.

Mechanism	Target
SPF_INCLUDE	_spf.mx.cloudflare.net

Pivot deeper into the graph from frequ.jp.

Cypher and MCP

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

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