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Hostname

postmatter.com

Last fetched

postmatter.com resolves to 12 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · postmatter.comRouting diversity3.0/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/postmatter.com

Resolution chain

postmatter.com resolves to 12 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
18.64.183.10218.64.184.0/21AS16509AMAZON-02 - Amazon.com, Inc.US
18.64.183.11118.64.184.0/21AS16509AMAZON-02 - Amazon.com, Inc.US
18.64.183.1918.64.184.0/21AS16509AMAZON-02 - Amazon.com, Inc.US
18.64.183.6818.64.184.0/21AS16509AMAZON-02 - Amazon.com, Inc.US
3.174.113.133.174.112.0/21AS16509AMAZON-02 - Amazon.com, Inc.FI
3.174.113.553.174.112.0/21AS16509AMAZON-02 - Amazon.com, Inc.FI
3.174.113.883.174.112.0/21AS16509AMAZON-02 - Amazon.com, Inc.FI
3.174.113.953.174.112.0/21AS16509AMAZON-02 - Amazon.com, Inc.FI
99.84.234.12999.84.244.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
99.84.234.2599.84.244.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
99.84.234.2999.84.244.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
99.84.234.5199.84.244.0/24AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
iana:146
Organization
domains by proxy,
Contact emails

Subdomains

1 observed subdomain of postmatter.com.

Web-graph footprint

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

36 sites link to this hostname.

1 site linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

1 SPF mechanism authorising senders for postmatter.com.

MechanismTarget
SPF_INCLUDE_spf.forwardmx.io

Related pages

Pivot deeper into the graph from postmatter.com.

Cypher and MCP

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

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