Skip to content

Hostname

21csaa.com

Last fetched

21csaa.com resolves to 1 IPv4 address operated by KIXS-AS-KR Korea Telecom in KR. WHOIS lists iana:244 as the registrar.

Nutrition Label

WHISPER CANON · 21csaa.comRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/21csaa.com

Resolution chain

21csaa.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
203.245.44.111203.245.0.0/18AS4766KIXS-AS-KR Korea TelecomKR

WHOIS identity

Registrar
iana:244
Organization
kim jung sik
Contact emails

Subdomains

2 observed subdomains of 21csaa.com.

Subdomain
postmaster.21csaa.com
www.21csaa.com

Web-graph footprint

Distinct hostnames that link to or from 21csaa.com in the public web crawl.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for 21csaa.com.

MechanismTarget
SPF_IP203.245.44.111

Related pages

Pivot deeper into the graph from 21csaa.com.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "21csaa.com"})-[: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 20

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