Hostname
21stpool.com
Last fetched
21stpool.com resolves to 2 IPv4 addresses operated by H4Y-TECHNOLOGIES - H4Y Technologies LLC in US. WHOIS lists iana:9 as the registrar.
Nutrition Label
Resolution chain
21stpool.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 |
|---|---|---|---|---|
| 104.255.169.179 | 104.255.169.0/24 | AS397373 | H4Y-TECHNOLOGIES - H4Y Technologies LLC | US |
| 66.96.147.101 | 66.96.128.0/18 | AS29873 | BIZLAND-SD - Newfold Digital, Inc. | US |
WHOIS identity
- Registrar
- iana:9
- Organization
- 21st century pools & spas
- Contact emails
Subdomains
10 observed subdomains of 21stpool.com.
Web-graph footprint
Distinct hostnames that link to or from 21stpool.com in the public web crawl.
7 sites link to this hostname.
10 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
2 SPF mechanisms authorising senders for 21stpool.com.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | websitewelcome.com |
| SPF_IP | 66.96.128.0/18 |
Related pages
Pivot deeper into the graph from 21stpool.com.
- IP · 104.255.169.179
- ASN · AS397373H4Y-TECHNOLOGIES - H4Y Technologies LLC
- Registrar · iana:9
- Country · US
- Email · 57780434@myprivatename.com
- TLD · .com
- Browse hostnames · 21…
- 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: "21stpool.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.