Skip to content

Hostname

crefrs.org.br

Last fetched

crefrs.org.br resolves to 1 IPv4 address operated by AS28195 in BR.

Nutrition Label

WHISPER CANON · crefrs.org.brRouting diversity1.5/10Peering density3.6/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency6.7/10Resolver footprint3.2/10canon.whisper.security/host/crefrs.org.br

Resolution chain

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

IPPrefixASNOperatorCountry
189.90.130.58189.90.128.0/22AS28195—BR

WHOIS identity

Registrar
—
Organization
conselho reg. educa??o f?sica 2a regi?o
Contact emails

Subdomains

16 observed subdomains of crefrs.org.br.

Subdomain
app.crefrs.org.br
cpanel.crefrs.org.br
cpcalendars.crefrs.org.br
cpcontacts.crefrs.org.br
crefmais.crefrs.org.br
creimage.crefrs.org.br
fiscais.crefrs.org.br
mail.crefrs.org.br
webdisk.crefrs.org.br
webmail.crefrs.org.br
www.crefrs.org.br

Showing 11 of 16. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from crefrs.org.br in the public web crawl.

37 sites link to this hostname.

140 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 crefrs.org.br.

MechanismTarget
SPF_Acrefrs.org.br
SPF_INCLUDE_spf.google.com
SPF_INCLUDEspf.homemurbano.com.br
SPF_IP65.109.111.240
SPF_MXcrefrs.org.br

Related pages

Pivot deeper into the graph from crefrs.org.br.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "crefrs.org.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.