Hostname
mailgateway.com.br
Last fetched
mailgateway.com.br resolves to 2 IPv4 addresses operated by AS28573 in BR.
Nutrition Label
Resolution chain
mailgateway.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 |
|---|---|---|---|---|
| 187.21.227.148 | 187.21.128.0/17 | AS28573 | — | BR |
| 191.254.172.46 | 191.254.0.0/16 | AS27699 | — | BR |
WHOIS identity
- Registrar
- —
- Organization
- leandro nascimento de souza
- Contact emails
Subdomains
10 observed subdomains of mailgateway.com.br.
Web-graph footprint
Distinct hostnames that link to or from mailgateway.com.br in the public web crawl.
5 sites linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
2 SPF mechanisms authorising senders for mailgateway.com.br.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.mailersend.net |
| SPF_INCLUDE | spf.mailgateway.com.br |
Related pages
Pivot deeper into the graph from mailgateway.com.br.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "mailgateway.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.