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Hostname

sub4.com.br

Last fetched

sub4.com.br resolves to 1 IPv4 address operated by AS28299 in BR.

Nutrition Label

WHISPER CANON · sub4.com.brRouting diversity1.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint5.6/10canon.whisper.security/host/sub4.com.br

Resolution chain

sub4.com.br resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
191.6.218.39191.6.218.0/23AS28299—BR

WHOIS identity

Registrar
—
Organization
henrique reck farias
Contact emails

Subdomains

6 observed subdomains of sub4.com.br.

Subdomain
autodiscover.sub4.com.br
www.sub4.com.br
webmail.sub4.com.br
voucher.sub4.com.br
mail.sub4.com.br

Showing 5 of 6. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from sub4.com.br in the public web crawl.

21 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for sub4.com.br.

MechanismTarget
SPF_Asub4.com.br
SPF_INCLUDEwebsitewelcome.com
SPF_MXsub4.com.br

Related pages

Pivot deeper into the graph from sub4.com.br.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sub4.com.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.