Hostname

rubr.com.br

Last fetched Sat, 18 Jul 2026 12:05:05 GMT

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

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
104.21.35.225	104.21.32.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
172.67.180.85	172.67.176.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA

WHOIS identity

Registrar

—

Organization

rubr assessoria ltda

Contact emails

para@rjcambio.com.br

Subdomains

1 observed subdomain of rubr.com.br.

Subdomain
www.rubr.com.br

Web-graph footprint

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

25 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for rubr.com.br.

Mechanism	Target
SPF_INCLUDE	_spf.google.com

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

Cypher and MCP

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

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