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Hostname

fsrs.app

Last fetched

fsrs.app resolves to 1 IPv4 address operated by AS45671 in AU. WHOIS lists iana:1609 as the registrar.

Nutrition Label

WHISPER CANON · fsrs.appRouting diversity1.5/10Peering density4.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/fsrs.app

Resolution chain

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

IPPrefixASNOperatorCountry
103.13.100.242103.13.100.0/24AS45671—AU

WHOIS identity

Registrar
iana:1609
Organization
domain privacy
Contact emails

Subdomains

7 observed subdomains of fsrs.app.

Subdomain
cpanel.fsrs.app
cpcalendars.fsrs.app
cpcontacts.fsrs.app
mail.fsrs.app
webdisk.fsrs.app
webmail.fsrs.app
www.fsrs.app

Web-graph footprint

Distinct hostnames that link to or from fsrs.app in the public web crawl.

3 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for fsrs.app.

MechanismTarget
SPF_Afsrs.app
SPF_INCLUDEamazonses.com
SPF_INCLUDEspf.mudgee.host
SPF_INCLUDEspf.smtp2go.com
SPF_IP103.13.100.242
SPF_IP202.131.88.81
SPF_MXfsrs.app

Related pages

Pivot deeper into the graph from fsrs.app.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "fsrs.app"})-[: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.