Hostname
cjkoster.com
Last fetched
cjkoster.com resolves to 104.18.236.230, announced in 104.18.224.0/20 by CLOUDFLARENET - Cloudflare, Inc. in CA. cjkoster.com is listed by 2 threat feeds; reconciled level HIGH.
Threat posture
40threat score (procedure-native scale)
HIGHListed by 2 threat feeds. At least one source recommends blocking.
Categories: Phishing
- Threat feeds listing this
- 2
- Verdict coverage
- malicious-evidenced
- First seen on a feed
- Wed, 26 Aug 2026 14:44:38 GMT
- Last seen on a feed
- Wed, 23 Sep 2026 00:57:35 GMT
Nutrition Label
Resolution chain
- 104.18.236.230
104.18.224.0/20 · CLOUDFLARENET - Cloudflare, Inc. · Toronto, CA
- 34.195.60.139
34.192.0.0/12 · AMAZON-AES - Amazon.com, Inc. · Ashburn, US
IPv6 resolution
No AAAA record for cjkoster.com is recorded in WhisperGraph.
Attribution
Cloudflare
cdn · ORIGIN_AS, CDN
WHOIS identity
- Registrar
- iana:472
- Registrant organisation
- contact privacy inc. customer 0159545780
- Contact emails
- cjkoster.com@contactprivacy.com, domains@hugedomains.com
Subdomains
Web-graph footprint
Sampled `LINKS_TO` edges. The hyperlink layer is a pilot sample, not a web-scale crawl, so these are illustrative.
Mail and authentication
Nameservers
- ns1.dyna-ns.net
- ns2.dyna-ns.net
Threat-feed evidence
History
Related pages
Pivot from cjkoster.com into the addresses, networks and registries it depends on.
Cypher and MCP
Reproduce this hostname's resolution chain against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cjkoster.com"})-[:RESOLVES_TO]->(ip:IPV4)
-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20Or query Whisper from your own LLM workflow via the Whisper MCP server.