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Hostname

jk.sb

Last fetched

jk.sb resolves to 104.18.35.15, announced in 104.18.35.0/24 by CLOUDFLARENET - Cloudflare, Inc. in CA. jk.sb is listed by 1 threat feed; reconciled level HIGH.

Threat posture

40threat score (procedure-native scale)

HIGH

Listed by 1 threat feed. At least one source recommends blocking.

Threat feeds listing this
1
Verdict coverage
malicious-evidenced
First seen on a feed
Wed, 26 Aug 2026 14:55:42 GMT
Last seen on a feed
Thu, 17 Sep 2026 00:15:21 GMT

Nutrition Label

WHISPER CANON · jk.sbRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency0.0/10Resolver footprint5.6/10canon.whisper.security/host/jk.sb

Resolution chain

IPv6 resolution

Attribution

Cloudflare

cdn · ORIGIN_AS, CDN

WHOIS identity

WhisperGraph holds no WHOIS registrar, registrant organisation or contact email for jk.sb. WHOIS is recorded against the registrable domain, so a subdomain such as a www. host carries none of its own — check the registrable domain for this name.

Subdomains

Subdomain
api.jk.sb
bark.jk.sb
cdn-yuan.jk.sb
docker.jk.sb
list.jk.sb
o.jk.sb
server.jk.sb
status.jk.sb
wiki.jk.sb
www.jk.sb

Showing 10 of 10 subdomains (10 per page).

Mail and authentication

Nameservers

  • achiel.ns.cloudflare.com
  • ajay.ns.cloudflare.com
  • daniella.ns.cloudflare.com
  • nucum.ns.cloudflare.com
  • set.dnspod.net
  • sloth.dnspod.net

MX records

  • jk-sb.mail.protection.outlook.com

SPF policy

  • include: spf.protection.outlook.com

Threat-feed evidence

History

Related pages

Pivot from jk.sb 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: "jk.sb"})-[: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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.