Hostname
sefer.com.br
Last fetched
sefer.com.br resolves to 1 IPv4 address operated by AMAZON-AES - Amazon.com, Inc. in US.
Nutrition Label
Resolution chain
sefer.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 |
|---|---|---|---|---|
| 3.212.235.24 | 3.208.0.0/12 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
WHOIS identity
- Registrar
- —
- Organization
- editora e livraria sefer ltda
- Contact emails
Subdomains
6 observed subdomains of sefer.com.br.
Web-graph footprint
Distinct hostnames that link to or from sefer.com.br in the public web crawl.
108 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for sefer.com.br.
| Mechanism | Target |
|---|---|
| SPF_A | sefer.com.br |
| SPF_INCLUDE | _spf.emailmkt.correio.ws |
| SPF_INCLUDE | _spf.rdstation.com.br |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.appuni.com.br |
| SPF_INCLUDE | spf.skymail.net.br |
| SPF_MX | sefer.com.br |
Related pages
Pivot deeper into the graph from sefer.com.br.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "sefer.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.