Skip to content

Hostname

sd13.org

Last fetched

sd13.org resolves to 4 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · sd13.orgRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/sd13.org

Resolution chain

sd13.org resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.16.158.133104.16.144.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
104.16.159.133104.16.144.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
104.18.189.233104.18.176.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
104.18.190.233104.18.176.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:146
Organization
bloomingdale school district 13
Contact emails

Subdomains

16 observed subdomains of sd13.org.

Web-graph footprint

Distinct hostnames that link to or from sd13.org in the public web crawl.

30 sites link to this hostname.

30 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

12 SPF mechanisms authorising senders for sd13.org.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDE_spf.psm.knowbe4.com
SPF_INCLUDEmailgun.org
SPF_INCLUDEswiftreach.com
SPF_IP216.8.139.125
SPF_IP50.225.117.79
SPF_IP54.193.4.211
SPF_IP54.193.69.141
SPF_IP54.208.107.222
SPF_IP54.209.202.114
SPF_IP66.195.143.26/32
SPF_MXsd13.org

Related pages

Pivot deeper into the graph from sd13.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sd13.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.