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Hostname

letr.org

Last fetched

letr.org resolves to 2 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists iana:2 as the registrar.

Nutrition Label

WHISPER CANON · letr.orgRouting diversity2.4/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.3/10canon.whisper.security/host/letr.org

Resolution chain

letr.org resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
75.2.19.3775.2.16.0/20AS16509AMAZON-02 - Amazon.com, Inc.US
99.83.129.18499.83.128.0/20AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
iana:2
Organization
special olympics.org
Contact emails

Subdomains

3 observed subdomains of letr.org.

Web-graph footprint

Distinct hostnames that link to or from letr.org in the public web crawl.

82 sites link to this hostname.

44 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

3 SPF mechanisms authorising senders for letr.org.

MechanismTarget
SPF_Asoi.mail.pairserver.com
SPF_INCLUDEwebmail.pair.com
SPF_MXletr.org

Related pages

Pivot deeper into the graph from letr.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "letr.org"})-[: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.