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Hostname

sf.com

Last fetched

sf.com resolves to 1 IPv4 address operated by AS5539 in DE. WHOIS lists iana:106 as the registrar.

Nutrition Label

WHISPER CANON · sf.comRouting diversity1.5/10Peering density4.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/sf.com

Resolution chain

sf.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
193.97.129.99193.97.129.0/24AS5539—DE

WHOIS identity

Registrar
iana:106
Organization
software factory
Contact emails

Subdomains

16 observed subdomains of sf.com.

Subdomain
2.sf.com
www.sf.com
vu-trail.sf.com
tst.sf.com
sfsogo.sf.com
sfi-bbb.sf.com
sf-net.sf.com
prox-arku.sf.com
meet.sf.com
mdis.sf.com
matrix.sf.com
mail.sf.com
dojo.sf.com
arku.sf.com

Showing 14 of 16. View all subdomains →

Web-graph footprint

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

48 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for sf.com.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_IP195.30.249.98
SPF_MXsf.com

Related pages

Pivot deeper into the graph from sf.com.

Cypher and MCP

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

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