Skip to content

Hostname

osr.org

Last fetched

osr.org resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:48 as the registrar.

Nutrition Label

WHISPER CANON · osr.orgRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/osr.org

Resolution chain

osr.org resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
172.66.40.186172.66.40.0/21AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.66.43.70172.66.40.0/21AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:48
Organization
whois agent
Contact emails

Subdomains

9 observed subdomains of osr.org.

Subdomain
api.osr.org
apidev.osr.org
assets.osr.org
email.osr.org
mail.osr.org
staging.osr.org
stars.osr.org
www.osr.org

Showing 8 of 9. View all subdomains →

Web-graph footprint

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

415 sites link to this hostname.

515 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for osr.org.

MechanismTarget
SPF_INCLUDE_spf.createsend.com
SPF_INCLUDE_spf.google.com
SPF_INCLUDEsendgrid.net
SPF_IP109.74.199.173
SPF_IP185.144.225.124
SPF_IP2a03:9700:8000:0:47a5:1191:1b8d:2e6f
SPF_IP2a03:9700:8000:0:f1f2:aa40:f459:ee58
SPF_IP31.7.2.116

Related pages

Pivot deeper into the graph from osr.org.

Cypher and MCP

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

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