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Hostname

ck12.org

Last fetched

ck12.org resolves to 12 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in FI. WHOIS lists iana:468 as the registrar.

Nutrition Label

WHISPER CANON · ck12.orgRouting diversity3.0/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint8.3/10canon.whisper.security/host/ck12.org

Resolution chain

ck12.org resolves to 12 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
13.33.235.2713.33.232.0/21AS16509AMAZON-02 - Amazon.com, Inc.FI
13.33.235.413.33.232.0/21AS16509AMAZON-02 - Amazon.com, Inc.FI
13.33.235.813.33.232.0/21AS16509AMAZON-02 - Amazon.com, Inc.FI
13.33.235.9413.33.232.0/21AS16509AMAZON-02 - Amazon.com, Inc.FI
143.204.181.57143.204.176.0/21AS16509AMAZON-02 - Amazon.com, Inc.GB
143.204.181.75143.204.176.0/21AS16509AMAZON-02 - Amazon.com, Inc.GB
143.204.181.95143.204.176.0/21AS16509AMAZON-02 - Amazon.com, Inc.GB
3.174.46.1223.174.46.0/23AS16509AMAZON-02 - Amazon.com, Inc.DE
3.174.46.1273.174.46.0/23AS16509AMAZON-02 - Amazon.com, Inc.DE
3.174.46.403.174.46.0/23AS16509AMAZON-02 - Amazon.com, Inc.DE
3.174.46.563.174.46.0/23AS16509AMAZON-02 - Amazon.com, Inc.DE
143.204.181.87143.204.176.0/21AS16509AMAZON-02 - Amazon.com, Inc.GB

WHOIS identity

Registrar
iana:468
Organization
ck12 foundation
Contact emails

Subdomains

142 observed subdomains of ck12.org.

Web-graph footprint

Distinct hostnames that link to or from ck12.org in the public web crawl.

2,657 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

7 SPF mechanisms authorising senders for ck12.org.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEamazonses.com
SPF_INCLUDEemsd1.com
SPF_INCLUDEmail.zendesk.com
SPF_IP174.129.252.43
SPF_IP63.236.100.0/24
SPF_IP66.77.16.0/24

Related pages

Pivot deeper into the graph from ck12.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ck12.org"})-[: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.