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Hostname

cref1.org.br

Last fetched

cref1.org.br resolves to 1 IPv4 address operated by AS27715 in BR.

Nutrition Label

WHISPER CANON · cref1.org.brRouting diversity1.5/10Peering density5.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint4.0/10canon.whisper.security/host/cref1.org.br

Resolution chain

cref1.org.br resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
177.153.48.108177.153.48.0/23AS27715—BR

WHOIS identity

Registrar
—
Organization
ana cristina de souza g. melo
Contact emails

Subdomains

2 observed subdomains of cref1.org.br.

Subdomain
spiderweb.cref1.org.br
www.cref1.org.br

Web-graph footprint

Distinct hostnames that link to or from cref1.org.br in the public web crawl.

46 sites link to this hostname.

312 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for cref1.org.br.

MechanismTarget
SPF_INCLUDE_spf.locaweb.com.br
SPF_INCLUDE_spf.mailersend.net
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from cref1.org.br.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cref1.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.