Hostname
castlegroup.com
Last fetched
castlegroup.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:48 as the registrar.
Nutrition Label
Resolution chain
castlegroup.com 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 |
|---|---|---|---|---|
| 104.20.47.200 | 104.20.32.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.66.149.234 | 172.66.144.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:48
- Organization
- castle group
- Contact emails
Subdomains
19 observed subdomains of castlegroup.com.
Web-graph footprint
Distinct hostnames that link to or from castlegroup.com in the public web crawl.
147 sites link to this hostname.
Threat posture
History
Mail and authentication
SPF policy
9 SPF mechanisms authorising senders for castlegroup.com.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.salesforce.com |
| SPF_INCLUDE | docebosaas.com |
| SPF_INCLUDE | mail.zendesk.com |
| SPF_INCLUDE | mailgun.org |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 148.163.151.27 |
| SPF_IP | 148.163.154.227 |
| SPF_IP | 170.55.119.2 |
| SPF_IP | 208.86.168.7/32 |
Related pages
Pivot deeper into the graph from castlegroup.com.
- IP · 104.20.47.200
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:48
- Country · CA
- Email · adelgado@castlegroup.com
- TLD · .com
- Browse hostnames · ca…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "castlegroup.com"})-[: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.