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Hostname

def.com

Last fetched

def.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1600 as the registrar.

Nutrition Label

WHISPER CANON · def.comRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/def.com

Resolution chain

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

IPPrefixASNOperatorCountry
104.21.9.147104.21.0.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.160.47172.67.160.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:1600
Organization
corticaldb
Contact emails

Subdomains

14 observed subdomains of def.com.

Subdomain
abc.def.com
www.def.com
smtp.def.com
outbound-smtp-1.def.com
mail-core-usw1.def.com
mail.def.com
ir-www.def.com
dev-proxy-1.def.com
dev-login-1.def.com
dev-front-1.def.com
dev-console-1.def.com
dev-api-1.def.com
beta.def.com
api.def.com

Web-graph footprint

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

43 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for def.com.

MechanismTarget
SPF_IP23.189.240.4

Related pages

Pivot deeper into the graph from def.com.

Cypher and MCP

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

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