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Hostname

a3f.org

Last fetched

a3f.org resolves to 1 IPv4 address operated by AS24940 in FI. WHOIS lists iana:81 as the registrar.

Nutrition Label

WHISPER CANON · a3f.orgRouting diversity1.5/10Peering density7.3/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/a3f.org

Resolution chain

a3f.org resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
135.181.75.248135.181.0.0/16AS24940—FI

WHOIS identity

Registrar
iana:81
Organization
stefano travelli
Contact emails

Subdomains

3 observed subdomains of a3f.org.

Subdomain
mail.a3f.org
opac.a3f.org
www.a3f.org

Web-graph footprint

Distinct hostnames that link to or from a3f.org in the public web crawl.

17 sites link to this hostname.

251 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for a3f.org.

MechanismTarget
SPF_INCLUDE_spf.ttsoft.biz
SPF_MXa3f.org

Related pages

Pivot deeper into the graph from a3f.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a3f.org"})-[: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.