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Hostname

lettering.com

Last fetched

lettering.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · lettering.comRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/lettering.com

Resolution chain

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

IPPrefixASNOperatorCountry
172.66.41.48172.68.237.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.66.42.208172.68.237.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:146
Organization
do it yourself lettering,
Contact emails

Subdomains

5 observed subdomains of lettering.com.

Subdomain
_spfcf1.lettering.com
_spfcf2.lettering.com
_spfcf3.lettering.com
accounts.lettering.com
www.lettering.com

Web-graph footprint

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

28 sites link to this hostname.

23 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for lettering.com.

MechanismTarget
SPF_INCLUDE_spf.mx.cloudflare.net
SPF_INCLUDE_spfcf1.lettering.com
SPF_INCLUDE_spfcf2.lettering.com
SPF_INCLUDE_spfcf3.lettering.com
SPF_INCLUDEmailgun.org

Related pages

Pivot deeper into the graph from lettering.com.

Cypher and MCP

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

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