Hostname
construction21.org
Last fetched
construction21.org resolves to 5 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:81 as the registrar.
Nutrition Label
Resolution chain
construction21.org resolves to 5 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.26.0.191 | 104.26.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 104.26.1.191 | 104.26.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.73.133 | 172.67.64.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 188.114.96.3 | 188.114.96.0/24 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 188.114.97.3 | 188.114.97.0/24 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:81
- Organization
- ciridd
- Contact emails
Subdomains
6 observed subdomains of construction21.org.
Web-graph footprint
Distinct hostnames that link to or from construction21.org in the public web crawl.
1,325 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for construction21.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.mailjet.com |
| SPF_IP | 146.88.233.192 |
| SPF_IP | 146.88.233.195 |
| SPF_IP | 82.246.145.251 |
| SPF_IP | 85.236.156.81 |
| SPF_IP | 85.236.156.82 |
Related pages
Pivot deeper into the graph from construction21.org.
- IP · 104.26.0.191
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:81
- Country · CA
- Email · ff8591e785085c12ebf7524bba5b2def-1157489@contact.gandi.net
- TLD · .org
- Browse hostnames · co…
- 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: "construction21.org"})-[: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.