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)
HIGHListed 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
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
| Subdomain |
|---|
| admin.21nl.com |
| m.21nl.com |
| old.21nl.com |
| staging.21nl.com |
| wildcard.21nl.com |
| ww1.21nl.com |
| www.21nl.com |
Showing 7 of 7 subdomains (7 per page).
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,
asnPeerCountRun yourself →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 subdomainCountRun yourself →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 technologiesRun yourself →Peer companies (outbound SIMILAR_TO).
MATCH (:HOSTNAME {name: $host})-[:SIMILAR_TO]->(peer:HOSTNAME) RETURN peer.name AS host ORDER BY host LIMIT 8Run yourself →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 portfolioRun yourself →Or query Whisper from your own LLM workflow via the Whisper MCP server.