Hostname
f13.com.br
Last fetched
f13.com.br resolves to 1 IPv4 address operated by AS263606 - COREIT - DATACENTER, SERV GER E INFRA TI LTDA.
Nutrition Label
Resolution chain
f13.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 |
|---|---|---|---|---|
| 177.136.72.210 | 177.136.127.0/24 | AS263606 | AS263606 - COREIT - DATACENTER, SERV GER E INFRA TI LTDA | — |
WHOIS identity
- Registrar
- —
- Organization
- f-treze tecnologia ltda
- Contact emails
Subdomains
119 observed subdomains of f13.com.br.
Showing 25 of 119. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from f13.com.br in the public web crawl.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
9 SPF mechanisms authorising senders for f13.com.br.
| Mechanism | Target |
|---|---|
| SPF_A | f13.com.br |
| SPF_A | mail01.colab.f13.com.br |
| SPF_A | mail01.f13.com.br |
| SPF_A | mta03.f13.com.br |
| SPF_IP | 200.186.254.100/32 |
| SPF_IP | 200.186.254.127/32 |
| SPF_IP | 204.199.59.100 |
| SPF_IP | 204.199.59.101 |
| SPF_MX | f13.com.br |
Related pages
Pivot deeper into the graph from f13.com.br.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "f13.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.