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Hostname

a15.cat

Last fetched

a15.cat resolves to 1 IPv4 address operated by AS50926 in ES. WHOIS lists iana:1600 as the registrar.

Nutrition Label

WHISPER CANON · a15.catRouting diversity1.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/a15.cat

Resolution chain

a15.cat resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
91.142.215.7791.142.208.0/20AS50926—ES

WHOIS identity

Registrar
iana:1600
Organization
german rubio
Contact emails

Subdomains

1 observed subdomain of a15.cat.

Subdomain
mail.a15.cat

Web-graph footprint

Distinct hostnames that link to or from a15.cat in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for a15.cat.

MechanismTarget
SPF_Aa15.cat
SPF_INCLUDE_sh.axarnet.es
SPF_MXa15.cat

Related pages

Pivot deeper into the graph from a15.cat.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a15.cat"})-[: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.