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Hostname

sparkpostmail1.com

Last fetched

sparkpostmail1.com resolves to 3 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists iana:292 as the registrar.

Nutrition Label

WHISPER CANON · sparkpostmail1.comRouting diversity1.5/10Peering density9.3/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint8.3/10canon.whisper.security/host/sparkpostmail1.com

Resolution chain

sparkpostmail1.com resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
54.244.54.13154.244.0.0/18AS16509AMAZON-02 - Amazon.com, Inc.US
54.244.54.13254.244.0.0/18AS16509AMAZON-02 - Amazon.com, Inc.US
54.244.54.13354.244.0.0/18AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
iana:292
Organization
contact privacy inc. customer 0138517291
Contact emails

Subdomains

5 observed subdomains of sparkpostmail1.com.

Web-graph footprint

Distinct hostnames that link to or from sparkpostmail1.com in the public web crawl.

Threat posture

History

Mail and authentication

SPF policy

1 SPF mechanism authorising senders for sparkpostmail1.com.

MechanismTarget
SPF_EXISTS%{i}._spf.sparkpostmail.com

Related pages

Pivot deeper into the graph from sparkpostmail1.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sparkpostmail1.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.