Hostname
oi.com.br
Last fetched
oi.com.br resolves to 1 IPv4 address operated by V tal in BR.
Nutrition Label
Resolution chain
oi.com.br resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 187.6.211.40 | 187.6.192.0/18 | AS8167 | V tal | BR |
| 187.6.211.40 | 187.6.192.0/18 | AS8167 | V tal | BR |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from oi.com.br in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for oi.com.br.
| Mechanism | Target |
|---|---|
| SPF_A | partners.oi.com.br |
| SPF_A | senders.oi.com.br |
| SPF_INCLUDE | _spf.atoracle.com |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf-oi.oi.com.br |
| SPF_INCLUDE | spf-oiint.oi.com.br |
Related pages
Pivot deeper into the graph from oi.com.br.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "oi.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.