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Hostname

spf.org

Last fetched

spf.org resolves to 19 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in JP. WHOIS lists iana:2 as the registrar.

Nutrition Label

WHISPER CANON · spf.orgRouting diversity5.6/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings6.0/10WHOIS transparency10.0/10Resolver footprint5.6/10canon.whisper.security/host/spf.org

Resolution chain

spf.org resolves to 19 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
13.114.35.15813.124.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.JP
18.176.168.16018.183.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.JP
18.180.160.5518.188.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.JP
3.112.135.1243.112.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.JP
3.115.177.2083.112.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.JP
35.72.175.15935.96.4.0/24AS16509AMAZON-02 - Amazon.com, Inc.JP
52.196.55.13652.216.2.0/24AS16509AMAZON-02 - Amazon.com, Inc.JP
52.198.161.9752.216.2.0/24AS16509AMAZON-02 - Amazon.com, Inc.JP
52.198.27.7252.216.2.0/24AS16509AMAZON-02 - Amazon.com, Inc.JP
54.199.154.14654.207.0.0/17AS16509AMAZON-02 - Amazon.com, Inc.JP
54.199.231.18854.207.0.0/17AS16509AMAZON-02 - Amazon.com, Inc.JP
54.248.163.20654.250.192.0/18AS16509AMAZON-02 - Amazon.com, Inc.JP
54.250.9.5354.251.160.0/19AS16509AMAZON-02 - Amazon.com, Inc.JP
54.64.110.12654.70.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.JP
54.92.105.18454.94.128.0/18AS16509AMAZON-02 - Amazon.com, Inc.JP
54.92.3.22654.94.128.0/18AS16509AMAZON-02 - Amazon.com, Inc.JP
13.193.133.7013.200.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.JP
13.193.196.9913.200.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.JP
13.193.208.13713.200.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.JP

WHOIS identity

Registrar
iana:2
Organization
the sasakawa peace foundation
Contact emails

Subdomains

9 observed subdomains of spf.org.

Subdomain
dev-scholarship.spf.org
dev-web.spf.org
dev.spf.org
dsinfo.spf.org
ocean-mail.spf.org
scholarship.spf.org
spf-pro-web01.spf.org
www.spf.org

Showing 8 of 9. View all subdomains →

Web-graph footprint

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

1,221 sites link to this hostname.

2,496 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Related pages

Pivot deeper into the graph from spf.org.

Cypher and MCP

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

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