Hostname

ja.dev

Last fetched Sun, 24 May 2026 22:49:54 GMT

ja.dev resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in CA. WHOIS lists iana:895 as the registrar.

Nutrition Label

Resolution chain

ja.dev 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
3.33.128.231	3.33.128.0/20	AS16509	AMAZON-02 - Amazon.com, Inc.	CA

WHOIS identity

Registrar: iana:895
Organization: jade k.k.
Contact emails: —

Subdomains

6 observed subdomains of ja.dev.

Subdomain
blog.ja.dev
www.ja.dev
tools-dev.ja.dev
tools.ja.dev
spam-service.ja.dev
service.ja.dev

Web-graph footprint

Distinct hostnames that link to or from ja.dev in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for ja.dev.

Mechanism	Target
SPF_INCLUDE	_spf.google.com

Pivot deeper into the graph from ja.dev.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ja.dev"})-[: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.