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Hostname

dir.a21a.com

Last fetched

dir.a21a.com resolves to 1 IPv4 address operated by IXARIS-MT-AS in DE.

Nutrition Label

WHISPER CANON · dir.a21a.comRouting diversity1.5/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint7.6/10canon.whisper.security/host/dir.a21a.com

Resolution chain

dir.a21a.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
100.42.187.25100.42.184.0/21AS51167IXARIS-MT-ASDE

WHOIS identity

No WHOIS records are currently associated with dir.a21a.com in WhisperGraph.

Subdomains

1 observed subdomain of dir.a21a.com.

Subdomain
www.dir.a21a.com

Web-graph footprint

Distinct hostnames that link to or from dir.a21a.com in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

4 SPF mechanisms authorising senders for dir.a21a.com.

MechanismTarget
SPF_Adir.a21a.com
SPF_IP100.42.187.25
SPF_IP213.199.54.197
SPF_MXdir.a21a.com

Related pages

Pivot deeper into the graph from dir.a21a.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "dir.a21a.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.