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Hostname

atc.esp.br

Last fetched

atc.esp.br resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

WHISPER CANON · atc.esp.brRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.0/10canon.whisper.security/host/atc.esp.br

Resolution chain

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

IPPrefixASNOperatorCountry
104.21.59.163104.21.48.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.180.236172.67.176.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

No WHOIS records are currently associated with atc.esp.br in WhisperGraph.

Subdomains

2 observed subdomains of atc.esp.br.

Subdomain
mail.atc.esp.br
www.atc.esp.br

Web-graph footprint

Distinct hostnames that link to or from atc.esp.br in the public web crawl.

47 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for atc.esp.br.

MechanismTarget
SPF_Aatc.esp.br
SPF_INCLUDErelay.mailchannels.net
SPF_INCLUDEspf.titan.email
SPF_IP185.201.10.1
SPF_MXatc.esp.br

Related pages

Pivot deeper into the graph from atc.esp.br.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "atc.esp.br"})-[: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.