Hostname
isaac.com.br
Last fetched
isaac.com.br appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.
Nutrition Label
Resolution chain
isaac.com.br has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.
WHOIS identity
- Registrar
- —
- Organization
- oisa tecnologia e servi?os ltda.
- Contact emails
Subdomains
19 observed subdomains of isaac.com.br.
Showing 14 of 19. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from isaac.com.br in the public web crawl.
142 sites link to this hostname.
48 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
10 SPF mechanisms authorising senders for isaac.com.br.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | 20646345.spf03.hubspotemail.net |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | amazonses.com |
| SPF_INCLUDE | cust-spf.exacttarget.com |
| SPF_INCLUDE | sendgrid.net |
| SPF_IP | 149.72.87.191 |
| SPF_IP | 149.72.88.241 |
| SPF_IP | 149.72.89.237 |
| SPF_IP | 149.72.90.239 |
| SPF_IP | 168.245.116.95 |
Related pages
Pivot deeper into the graph from isaac.com.br.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "isaac.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.