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Hostname

a3school.com

Last fetched

a3school.com resolves to 4 IPv4 addresses operated by AS47583 in US. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · a3school.comRouting diversity3.0/10Peering density7.7/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/a3school.com

Resolution chain

a3school.com resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
147.79.72.104147.79.72.0/21AS47583—US
147.79.79.38147.79.72.0/21AS47583—US
147.93.77.77147.93.77.0/24AS47583—JP
213.210.57.116213.210.57.0/24AS47583—JP

WHOIS identity

Registrar
iana:146
Organization
software development
Contact emails

Subdomains

1 observed subdomain of a3school.com.

Subdomain
www.a3school.com

Web-graph footprint

Distinct hostnames that link to or from a3school.com in the public web crawl.

20 sites link to this hostname.

11 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for a3school.com.

MechanismTarget
SPF_INCLUDE_spf.mail.hostinger.com

Related pages

Pivot deeper into the graph from a3school.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a3school.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.