Skip to content

Hostname

refs.sfner.com

Last fetched

refs.sfner.com resolves to 1 IPv4 address operated by AS16276 in CA.

Nutrition Label

WHISPER CANON · refs.sfner.comRouting diversity1.5/10Peering density9.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint7.6/10canon.whisper.security/host/refs.sfner.com

Resolution chain

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

IPPrefixASNOperatorCountry
51.161.32.2751.161.0.0/17AS16276—CA

WHOIS identity

No WHOIS records are currently associated with refs.sfner.com in WhisperGraph.

Web-graph footprint

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

29 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for refs.sfner.com.

MechanismTarget
SPF_Arefs.sfner.com
SPF_IP2607:5300:205:200:0:0:0:4052
SPF_IP51.161.32.27
SPF_MXrefs.sfner.com

Related pages

Pivot deeper into the graph from refs.sfner.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "refs.sfner.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.