Hostname
21.dn.ua
Last fetched
21.dn.ua resolves to 3 IPv4 addresses operated by AS44051 in DE.
Nutrition Label
Resolution chain
21.dn.ua resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 103.228.169.47 | 103.228.169.0/24 | AS44051 | — | DE |
| 104.21.54.239 | 104.21.48.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.169.131 | 172.67.160.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
No WHOIS records are currently associated with 21.dn.ua in WhisperGraph.
Subdomains
2 observed subdomains of 21.dn.ua.
| Subdomain |
|---|
| mail.21.dn.ua |
| www.21.dn.ua |
Web-graph footprint
Distinct hostnames that link to or from 21.dn.ua in the public web crawl.
8 sites linked to from this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
3 SPF mechanisms authorising senders for 21.dn.ua.
| Mechanism | Target |
|---|---|
| SPF_A | 21.dn.ua |
| SPF_IP | 91.228.155.122 |
| SPF_MX | 21.dn.ua |
Related pages
Pivot deeper into the graph from 21.dn.ua.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "21.dn.ua"})-[: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.