Hostname

1.app

Last fetched Thu, 21 May 2026 22:37:44 GMT

1.app resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:625 as the registrar.

Nutrition Label

Resolution chain

1.app 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
104.21.24.203	104.21.16.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
172.67.220.128	172.67.208.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA

WHOIS identity

Registrar: iana:625
Organization: —
Contact emails: —

Subdomains

6 observed subdomains of 1.app.

Subdomain
10.1.app
www.1.app
struct.1.app
ns2.1.app
ns1.1.app
mail.1.app

Web-graph footprint

Distinct hostnames that link to or from 1.app in the public web crawl.

9 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

mail.1.app

SPF policy

1 SPF mechanism authorising senders for 1.app.

Mechanism	Target
SPF_IP	119.28.75.88

Pivot deeper into the graph from 1.app.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "1.app"})-[: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.