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Hostname

zefr.com

Last fetched

zefr.com resolves to 3 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:468 as the registrar.

Nutrition Label

WHISPER CANON · zefr.comRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/zefr.com

Resolution chain

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

IPPrefixASNOperatorCountry
104.17.124.41104.17.112.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
104.17.125.41104.17.112.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
64.62.135.8364.62.128.0/18AS6939HURRICANE - Hurricane Electric LLCUS

WHOIS identity

Registrar
iana:468
Organization
on behalf of zefr.com owner
Contact emails

Subdomains

63 observed subdomains of zefr.com.

Web-graph footprint

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

184 sites link to this hostname.

221 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

8 SPF mechanisms authorising senders for zefr.com.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEamazonses.com
SPF_INCLUDEet._spf.pardot.com
SPF_INCLUDEmailgun.org
SPF_INCLUDEusb._netblocks.mimecast.com
SPF_IP148.105.8.0/21
SPF_IP198.2.128.0/18
SPF_IP205.201.128.0/20

Related pages

Pivot deeper into the graph from zefr.com.

Cypher and MCP

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

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