Hostname
c21up.com
Last fetched
c21up.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:2 as the registrar.
Nutrition Label
Resolution chain
c21up.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 |
|---|---|---|---|---|
| 104.21.60.38 | 104.21.48.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.191.112 | 172.67.176.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:2
- Organization
- liii laa
- Contact emails
Subdomains
11 observed subdomains of c21up.com.
Web-graph footprint
Distinct hostnames that link to or from c21up.com in the public web crawl.
103 sites link to this hostname.
2 sites linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
SPF policy
4 SPF mechanisms authorising senders for c21up.com.
| Mechanism | Target |
|---|---|
| SPF_A | c21up.com |
| SPF_INCLUDE | spf.web-hosting.com |
| SPF_IP | 192.64.117.65 |
| SPF_MX | c21up.com |
Related pages
Pivot deeper into the graph from c21up.com.
- IP · 104.21.60.38
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:2
- Country · CA
- Email · laalii280220@gmail.com
- TLD · .com
- Browse hostnames · c2…
- 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: "c21up.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.