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Hostname

21nl.com

Last fetched

21nl.com resolves to 103.112.173.3, announced in 103.112.173.0/24 by CLOUDIE-AS-AP - Cloudie Limited in JP. 21nl.com 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
Tue, 06 Oct 2026 08:23:48 GMT

Nutrition Label

WHISPER CANON · 21nl.comRouting diversity2.4/10Peering density6.1/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency10.0/10Resolver footprint8.3/10canon.whisper.security/host/21nl.com

Resolution chain

IPv6 resolution

No AAAA record for 21nl.com is recorded in WhisperGraph.

Attribution

cloudie

ORIGIN_AS

WHOIS identity

Registrar
iana:1868
Registrant organisation
cengxiangwu
Contact emails
15013713756@163.com, b0pftsgg8eivs9ut7cdoa320er@domaindiscreet.com, 6caf8cfe9f924e93818b48a599d80276.protect@whoisguard.com, ab94ec4fcb6f4f87a522e7c482d4b15c.protect@whoisguard.com

Company

Company
21nl

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

DNSSEC

WhisperGraph records no DNSSEC signature for 21nl.com.

DKIM signing

No DKIM signing vendor is attributed to 21nl.com in WhisperGraph.

Nameservers

  • a.share-dns.com
  • ns1.taoa.com
  • ns2.taoa.com
  • a.root-servers.net
  • b.root-servers.net
  • c.root-servers.net
  • d.root-servers.net
  • e.root-servers.net
  • f.root-servers.net
  • g.root-servers.net
  • h.root-servers.net
  • i.root-servers.net
  • j.root-servers.net
  • k.root-servers.net
  • l.root-servers.net
  • m.root-servers.net
  • b.share-dns.net

Threat-feed evidence

History

Related pages

Pivot from 21nl.com into the addresses, networks and registries it depends on.

Queries

This hostname's full card — resolution chain, registration, mail policy, DNSSEC and mail authentication.


MATCH (h:HOSTNAME {name: $host})
OPTIONAL MATCH (h)-[:RESOLVES_TO]->(ip:IPV4)-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
OPTIONAL MATCH (a:ASN)-[:ROUTES]->(ap)
OPTIONAL MATCH (a)-[:HAS_NAME]->(an:ASN_NAME)
OPTIONAL MATCH (ip)-[:LOCATED_IN]->(city:CITY)
OPTIONAL MATCH (ip)-[:HAS_COUNTRY]->(ipc:COUNTRY)
WITH h, ip, ap, a, an, city, ipc
LIMIT 20
WITH h,
     collect({ip: ip.name, prefix: ap.name, asn: a.name, network: an.name, city: city.name, country: ipc.name}) AS resolutions,
     collect(a.name) AS asnNames,
     collect(ap.name) AS prefixNames,
     collect(ap.isMoas) AS moasFlags,
     collect(ap.rpkiStatus) AS rpkiStatuses,
     head(collect(a)) AS primaryAsn,
     head(collect(ap)) AS primaryPrefix
OPTIONAL MATCH (primaryPrefix)-[:CONFLICTS_WITH]->(conflict:ASN)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn,
     collect(conflict.name) AS conflictAsns
OPTIONAL MATCH (h)-[:HAS_REGISTRAR]->(reg:REGISTRAR)
OPTIONAL MATCH (h)-[:REGISTERED_BY]->(org:ORGANIZATION)
OPTIONAL MATCH (h)-[:CHILD_OF]->(tld:TLD)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     collect(reg.name) AS registrars,
     collect(org.name) AS organizations,
     collect(tld.name) AS tlds
OPTIONAL MATCH (h)-[:HAS_EMAIL]->(em:EMAIL)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds,
     collect(em.name) AS emails
OPTIONAL MATCH (h)-[:HAS_PHONE]->(ph:PHONE)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails,
     count(ph) AS phoneCount
OPTIONAL MATCH (h)<-[:MAIL_FOR]-(mx:HOSTNAME)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount,
     collect(mx.name)[0..20] AS mxHosts
OPTIONAL MATCH (h)<-[:NAMESERVER_FOR]-(ns:HOSTNAME)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts,
     collect(ns.name) AS nameservers
OPTIONAL MATCH (h)-[spf:SPF_A|SPF_EXISTS|SPF_INCLUDE|SPF_IP|SPF_MX|SPF_REDIRECT]->(spfTarget)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers,
     collect({mechanism: type(spf), target: spfTarget.name})[0..50] AS spf
OPTIONAL MATCH (h)-[:SIGNED_WITH]->(alg:DNSSEC_ALGORITHM)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf,
     collect(alg.name) AS dnssecAlgorithms
OPTIONAL MATCH (h)-[:DMARC_REPORTS_TO]->(dm:DMARC_RECIPIENT)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf, dnssecAlgorithms,
     collect(dm.name)[0..5] AS dmarcRecipients
OPTIONAL MATCH (h)-[:DKIM_SIGNED_BY]->(dk:VENDOR)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf, dnssecAlgorithms,
     dmarcRecipients,
     collect(coalesce(dk.displayName, dk.name))[0..5] AS dkimVendors
OPTIONAL MATCH (h)-[:HAS_SIGNAL]->(hs:THREAT_SIGNAL_TYPE)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf, dnssecAlgorithms,
     dmarcRecipients, dkimVendors,
     collect(hs.name) AS dnsSignals
CALL { WITH primaryAsn MATCH (primaryAsn)-[:BGP_NEIGHBOR]-(peer:ASN) RETURN count(peer) AS asnPeerCount }
RETURN h.name AS name,
       h.rank AS rank,
       h.verdictLevel AS verdictLevel,
       h.verdictScore AS verdictScore,
       h.verdictBlocking AS verdictBlocking,
       h.verdictCoverage AS verdictCoverage,
       h.verdictAdvisory AS verdictAdvisory,
       h.threatSources AS threatSources,
       h.threatFirstSeen AS threatFirstSeen,
       h.threatLastSeen AS threatLastSeen,
       h.isTor AS isTor,
       h.isVpn AS isVpn,
       h.isProxy AS isProxy,
       h.isC2 AS isC2,
       h.isPhishing AS isPhishing,
       resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, conflictAsns,
       registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf,
       dnssecAlgorithms, dmarcRecipients, dkimVendors, dnsSignals,
       h.companyName AS companyName,
       h.companyIndustry AS companyIndustry,
       h.companyHqCountry AS companyHqCountry,
       h.companyHqCity AS companyHqCity,
       asnPeerCount
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The observed subdomain count, to depth 3.


MATCH (h:HOSTNAME {name: $host})
CALL { WITH h MATCH (h)<-[:CHILD_OF*1..3]-(sub:HOSTNAME) RETURN count(sub) AS subdomainCount }
RETURN subdomainCount
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Technologies the company behind this domain has been observed running, most widely adopted first.


MATCH (:HOSTNAME {name: $host})-[:RUNS_TECHNOLOGY]->(t:TECHNOLOGY)
WITH t.name AS name, t.category AS category, t.adopterCount AS adopters
ORDER BY adopters DESC, name
WITH collect({name: name, category: category}) AS technologies, count(*) AS total
RETURN total, technologies[0..20] AS technologies
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Peer companies (outbound SIMILAR_TO).

MATCH (:HOSTNAME {name: $host})-[:SIMILAR_TO]->(peer:HOSTNAME) RETURN peer.name AS host ORDER BY host LIMIT 8
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The parent company's domain and this company's domain portfolio (PARENT_OF).


MATCH (h:HOSTNAME {name: $host})
OPTIONAL MATCH (h)<-[:PARENT_OF]-(parent:HOSTNAME)
WITH h, collect({host: parent.name, company: parent.companyName})[0..3] AS parents
OPTIONAL MATCH (h)-[:PARENT_OF]->(child:HOSTNAME)
RETURN parents, collect({host: child.name, company: child.companyName})[0..10] AS portfolio
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Or query Whisper from your own LLM workflow via the Whisper MCP server.