Hostname
fourcore.io
Last fetched
fourcore.io resolves to 2 IPv4 addresses operated by AMAZON-AES - Amazon.com, Inc. in US. WHOIS lists iana:1861 as the registrar.
Nutrition Label
Resolution chain
fourcore.io 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 |
|---|---|---|---|---|
| 18.208.88.157 | 18.208.0.0/13 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
| 98.84.224.111 | 98.80.0.0/13 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
WHOIS identity
- Registrar
- iana:1861
- Organization
- private by design,
- Contact emails
- —
Subdomains
32 observed subdomains of fourcore.io.
Showing 16 of 32. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from fourcore.io in the public web crawl.
39 sites link to this hostname.
116 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
1 SPF mechanism authorising senders for fourcore.io.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from fourcore.io.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "fourcore.io"})-[: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.