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Hostname

holzkern.com

Last fetched

holzkern.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:468 as the registrar.

Nutrition Label

WHISPER CANON · holzkern.comRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/holzkern.com

Resolution chain

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

IPPrefixASNOperatorCountry
172.66.41.9172.66.40.0/21AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.66.42.247172.66.40.0/21AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:468
Organization
1990
Contact emails

Subdomains

41 observed subdomains of holzkern.com.

Subdomain
cdn.holzkern.com
delivery.holzkern.com
elink.holzkern.com
hallo.holzkern.com
info.holzkern.com
mtx.holzkern.com
news.holzkern.com
odoo-test.holzkern.com
odoo.holzkern.com
pims.holzkern.com
retail.holzkern.com
staging.holzkern.com
static.holzkern.com
tnhcsf.holzkern.com
web.holzkern.com
world.holzkern.com
www.holzkern.com

Showing 17 of 41. View all subdomains →

Web-graph footprint

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

241 sites link to this hostname.

104 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

65 SPF mechanisms authorising senders for holzkern.com.

MechanismTarget
SPF_INCLUDE1584923d6.spf2.netcorecloud.net
SPF_INCLUDE_spf.google.com
SPF_INCLUDEsendgrid.net
SPF_IP141.94.194.217/32
SPF_IP141.94.241.170
SPF_IP141.94.255.216
SPF_IP141.95.157.217/32
SPF_IP149.202.164.78/32
SPF_IP149.202.180.44/32
SPF_IP153.92.224.0/19
SPF_IP172.246.0.0/18
SPF_IP178.32.127.170
SPF_IP178.32.44.31
SPF_IP178.33.110.46
SPF_IP178.33.113.205
SPF_IP18.153.154.192/29
SPF_IP18.153.184.112/29
SPF_IP18.156.147.178/32
SPF_IP18.158.161.97/32
SPF_IP18.199.180.160/29
SPF_IP185.107.232.0/22
SPF_IP185.24.144.0/22
SPF_IP185.41.28.0/22
SPF_IP195.154.60.200/32
SPF_IP199.127.232.0/22
SPF_IP199.255.192.0/22
SPF_IP206.55.144.0/20
SPF_IP212.146.192.0/18
SPF_IP213.32.128.0/18
SPF_IP216.221.160.0/19
SPF_IP217.182.241.115/32
SPF_IP23.249.208.0/20
SPF_IP23.251.224.0/19
SPF_IP3.120.181.192/28
SPF_IP3.120.181.204/30
SPF_IP3.64.95.16/29
SPF_IP3.65.246.112/29
SPF_IP3.72.201.96/29
SPF_IP3.72.33.56/29
SPF_IP3.76.65.248/29
SPF_IP35.158.67.243/32
SPF_IP35.158.71.15/32
SPF_IP51.15.217.91
SPF_IP51.15.253.103/32
SPF_IP51.15.34.108/32
SPF_IP51.15.86.245
SPF_IP51.91.164.78/32
SPF_IP54.240.0.0/18
SPF_IP54.240.64.0/19
SPF_IP54.240.96.0/19
SPF_IP69.169.224.0/20
SPF_IP76.223.128.0/19
SPF_IP76.223.176.0/20
SPF_IP77.32.128.0/18
SPF_IP77.32.192.0/19
SPF_IP87.98.152.90
SPF_IP91.121.218.27
SPF_IP91.121.219.64
SPF_IP91.121.55.57
SPF_IP94.143.16.0/21
SPF_IP94.23.147.222
SPF_IP94.23.148.7
SPF_IP94.23.165.65
SPF_IP94.23.165.77
SPF_MXholzkern.com

Related pages

Pivot deeper into the graph from holzkern.com.

Cypher and MCP

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

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