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Hostname

prsa.org

Last fetched

prsa.org resolves to 1 IPv4 address operated by AMAZON-AES - Amazon.com, Inc. in US.

Nutrition Label

WHISPER CANON · prsa.orgRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/prsa.org

Resolution chain

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

IPPrefixASNOperatorCountry
3.220.41.1783.208.0.0/12AS14618AMAZON-AES - Amazon.com, Inc.US

WHOIS identity

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Subdomains

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Web-graph footprint

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

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

14 SPF mechanisms authorising senders for prsa.org.

MechanismTarget
SPF_EXISTS%{i}.spf.hc5662-46.iphmx.com
SPF_INCLUDEsender.zohosubscriptions.com
SPF_INCLUDEsendgrid.net
SPF_INCLUDEspf.mandrillapp.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP148.72.76.125
SPF_IP192.254.116.40/32
SPF_IP205.201.40.0/21
SPF_IP216.158.136.178/29
SPF_IP65.220.113.171
SPF_IP74.209.230.101
SPF_IP74.209.230.105
SPF_IP74.209.230.110
SPF_MXprsa.org

Related pages

Pivot deeper into the graph from prsa.org.

Cypher and MCP

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

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