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Hostname

mta-sts.callstack.com

Last fetched

mta-sts.callstack.com resolves to 8 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in JP.

Nutrition Label

WHISPER CANON · mta-sts.callstack.comRouting diversity2.4/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint0.0/10canon.whisper.security/host/mta-sts.callstack.com

Resolution chain

mta-sts.callstack.com resolves to 8 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
3.173.197.1003.173.196.0/23AS16509AMAZON-02 - Amazon.com, Inc.JP
3.173.197.1023.173.196.0/23AS16509AMAZON-02 - Amazon.com, Inc.JP
3.173.197.1103.173.196.0/23AS16509AMAZON-02 - Amazon.com, Inc.JP
3.173.197.613.173.196.0/23AS16509AMAZON-02 - Amazon.com, Inc.JP
54.240.184.11154.240.184.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
54.240.184.11254.240.184.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
54.240.184.12654.240.184.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
54.240.184.3354.240.184.0/24AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

No WHOIS records are currently associated with mta-sts.callstack.com in WhisperGraph.

Threat posture

History

Related pages

Pivot deeper into the graph from mta-sts.callstack.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mta-sts.callstack.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.