Hostname
concern.net
Last fetched
concern.net resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1448 as the registrar.
Nutrition Label
Resolution chain
concern.net 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 |
|---|---|---|---|---|
| 104.20.36.26 | 104.22.3.0/24 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.66.150.88 | 172.68.6.0/24 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:1448
- Organization
- brian cleary
- Contact emails
Subdomains
30 observed subdomains of concern.net.
Showing 23 of 30. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from concern.net in the public web crawl.
949 sites link to this hostname.
603 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for concern.net.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 115.68.64.54 |
| SPF_IP | 89.234.34.121 |
Related pages
Pivot deeper into the graph from concern.net.
- IP · 104.20.36.26
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:1448
- Country · CA
- Email · webmaster@concern.net
- TLD · .net
- 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: "concern.net"})-[: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.