Skip to content

Hostname

a4tech.com.cn

Last fetched

a4tech.com.cn resolves to 1 IPv4 address operated by AS63981 in HK.

Nutrition Label

WHISPER CANON · a4tech.com.cnRouting diversity1.5/10Peering density4.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/a4tech.com.cn

Resolution chain

a4tech.com.cn resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
203.166.223.38203.166.220.0/22AS63981—HK

WHOIS identity

No WHOIS records are currently associated with a4tech.com.cn in WhisperGraph.

Subdomains

2 observed subdomains of a4tech.com.cn.

Subdomain
mail.a4tech.com.cn
www.a4tech.com.cn

Web-graph footprint

Distinct hostnames that link to or from a4tech.com.cn in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for a4tech.com.cn.

MechanismTarget
SPF_INCLUDEspf.mailrelay.cn
SPF_IP113.105.177.84

Related pages

Pivot deeper into the graph from a4tech.com.cn.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a4tech.com.cn"})-[: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.