Hostname
prf.org
Last fetched
prf.org resolves to 3 IPv4 addresses operated by PURDUE - Purdue University in US.
Nutrition Label
Resolution chain
prf.org resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 128.210.7.66 | 128.210.0.0/16 | AS17 | PURDUE - Purdue University | US |
| 199.16.172.125 | 199.16.172.0/24 | AS2635 | AUTOMATTIC - Automattic, Inc | US |
| 199.16.173.123 | 199.16.173.0/24 | AS2635 | AUTOMATTIC - Automattic, Inc | US |
WHOIS identity
WHOIS data is temporarily unavailable. Refresh in a moment to retry.
Subdomains
Subdomain count is temporarily unavailable. Refresh in a moment to retry.
Web-graph footprint
Distinct hostnames that link to or from prf.org in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for prf.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | 46850230.spf01.hubspotemail.net |
| SPF_INCLUDE | _spf.salesforce.com |
| SPF_INCLUDE | asp-spf1.yardi.com |
| SPF_INCLUDE | asp-spf2.yardi.com |
| SPF_INCLUDE | cust-spf.exacttarget.com |
| SPF_INCLUDE | servers.mcsv.net |
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from prf.org.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "prf.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.