Hostname
prf.gov.br
Last fetched
prf.gov.br resolves to 1 IPv4 address operated by AS264312 in BR.
Nutrition Label
Resolution chain
prf.gov.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 |
|---|---|---|---|---|
| 138.122.112.21 | 138.122.112.0/24 | AS264312 | — | BR |
| 138.122.112.21 | 138.122.112.0/24 | AS264312 | — | BR |
WHOIS identity
No WHOIS records are currently associated with prf.gov.br in WhisperGraph.
Subdomains
137 observed subdomains of prf.gov.br.
Showing 25 of 137. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from prf.gov.br in the public web crawl.
377 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
5 SPF mechanisms authorising senders for prf.gov.br.
| Mechanism | Target |
|---|---|
| SPF_A | prf.gov.br |
| SPF_INCLUDE | _spf.google.com |
| SPF_IP | 138.122.112.0/23 |
| SPF_IP | 189.9.13.192/26 |
| SPF_MX | prf.gov.br |
Related pages
Pivot deeper into the graph from prf.gov.br.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "prf.gov.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.