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Hostname

checkos.com.br

Last fetched

checkos.com.br resolves to 5.189.138.77, announced in 5.189.128.0/20 by CONTABO - Contabo GmbH in DE. checkos.com.br is not listed on any threat feed indexed by WhisperGraph; reconciled level NONE.

Threat posture

0threat score (procedure-native scale)

NONE

No threats observed.

Threat feeds listing this
0
Verdict coverage
known-clean

Nutrition Label

WHISPER CANON · checkos.com.brRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint3.2/10canon.whisper.security/host/checkos.com.br

Resolution chain

IPv6 resolution

No AAAA record for checkos.com.br is recorded in WhisperGraph.

Attribution

contabo

ORIGIN_AS

WHOIS identity

Registrant organisation
fabiano fernandes de oliveira
Contact emails
fernandesdeoliveira@gmail.com

Subdomains

Subdomain
en.checkos.com.br
es.checkos.com.br
fabiano.checkos.com.br
img.checkos.com.br
m.checkos.com.br
pt-br.checkos.com.br
pt.checkos.com.br
www.checkos.com.br

Showing 8 of 8 subdomains (8 per page).

Web-graph footprint

Sampled `LINKS_TO` edges. The hyperlink layer is a pilot sample, not a web-scale crawl, so these are illustrative.

Sample inbound links

Sample outbound links

Mail and authentication

Nameservers

  • a.sec.dns.br
  • b.sec.dns.br

MX records

  • mx1.improvmx.com
  • mx2.improvmx.com

SPF policy

  • include: sparkpostmail.com
  • include: spf.secureserver.net

Threat-feed evidence

History

Related pages

Pivot from checkos.com.br into the addresses, networks and registries it depends on.

Cypher and MCP

Reproduce this hostname's resolution chain against graph.whisper.security:

MATCH (h:HOSTNAME {name: "checkos.com.br"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.