Hostname

arch.cat

Last fetched Fri, 22 May 2026 04:43:24 GMT

arch.cat resolves to 4 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1383 as the registrar.

Nutrition Label

Resolution chain

arch.cat resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
172.66.40.73	172.66.40.0/21	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
172.66.43.183	172.66.40.0/21	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
8.47.69.1	8.47.69.0/24	AS13335	CLOUDFLARENET - Cloudflare, Inc.	US
8.6.112.1	8.6.112.0/24	AS13335	CLOUDFLARENET - Cloudflare, Inc.	US

WHOIS identity

Registrar: iana:1383
Organization: pujado soler slpu
Contact emails: —

Subdomains

2 observed subdomains of arch.cat.

Subdomain
m.arch.cat
www.arch.cat

Web-graph footprint

Distinct hostnames that link to or from arch.cat in the public web crawl.

7 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

smtp.google.com

SPF policy

1 SPF mechanism authorising senders for arch.cat.

Mechanism	Target
SPF_INCLUDE	_spf.google.com

Pivot deeper into the graph from arch.cat.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "arch.cat"})-[: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.