Hostname
jc21.com
Last fetched
jc21.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1910 as the registrar.
Nutrition Label
Resolution chain
jc21.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 |
|---|---|---|---|---|
| 104.21.70.156 | 104.21.64.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.168.103 | 172.67.160.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:1910
- Organization
- on behalf of jc21.com owner
- Contact emails
- 473f423f-bea4-4181-be78-defd49c94b2f@identity-protect.org
- 4a5598aa-043e-4816-b786-973d7ae94ed1@identity-protect.org
- 8068cc5c-f029-4536-91a6-0d7a0d0c4c2e@identity-protect.org
- e0020584-409c-40a2-b305-3a74fb280a5a@identity-protect.org
- e22537a4-76c5-431d-a8e5-e53dc6a426a0@identity-protect.org
- e3825539-2aa9-4f16-9698-272e29b4e721@identity-protect.org
- owner-2286294@jc21.com.whoisprivacyservice.org
- owner-4710950@jc21.com.whoisprivacyservice.org
Subdomains
43 observed subdomains of jc21.com.
Showing 25 of 43. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from jc21.com in the public web crawl.
32 sites link to this hostname.
7 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 jc21.com.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | spf.mailjet.com |
Related pages
Pivot deeper into the graph from jc21.com.
- IP · 104.21.70.156
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:1910
- Country · CA
- Email · 473f423f-bea4-4181-be78-defd49c94b2f@identity-protect.org
- TLD · .com
- Browse hostnames · jc…
- 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: "jc21.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.