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Hostname

holtzendorff.com

Last fetched

holtzendorff.com resolves to 16 IPv4 addresses operated by AMAZON-AES - Amazon.com, Inc. in US. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · holtzendorff.comRouting diversity5.6/10Peering density9.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/holtzendorff.com

Resolution chain

holtzendorff.com resolves to 16 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
16.15.182.5016.15.176.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.188.10616.15.184.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.188.18216.15.184.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.199.23016.15.192.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.199.7216.15.192.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.207.6716.15.200.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
3.5.24.1983.5.24.0/24AS14618AMAZON-AES - Amazon.com, Inc.US
52.216.211.23752.216.208.0/20AS16509AMAZON-02 - Amazon.com, Inc.US
52.216.54.9352.216.48.0/20AS16509AMAZON-02 - Amazon.com, Inc.US
52.217.174.15752.217.160.0/19AS16509AMAZON-02 - Amazon.com, Inc.US
52.217.70.7552.217.70.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
52.217.71.3552.217.71.0/24AS16509AMAZON-02 - Amazon.com, Inc.US
54.231.132.25354.231.128.0/19AS16509AMAZON-02 - Amazon.com, Inc.US
54.231.138.11754.231.128.0/19AS16509AMAZON-02 - Amazon.com, Inc.US
54.231.224.7754.231.224.0/19AS16509AMAZON-02 - Amazon.com, Inc.US
54.231.229.18954.231.224.0/19AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
iana:146
Organization
deborah holtzendorff
Contact emails

Subdomains

1 observed subdomain of holtzendorff.com.

Subdomain
www.holtzendorff.com

Web-graph footprint

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

5 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for holtzendorff.com.

MechanismTarget
SPF_INCLUDE_spf.google.com

Related pages

Pivot deeper into the graph from holtzendorff.com.

Cypher and MCP

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

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