Hostname
cert.org
Last fetched
cert.org resolves to 2 IPv4 addresses operated by CERT - Software Engineering Institute in US.
Nutrition Label
Resolution chain
cert.org resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 147.72.252.242 | 147.72.252.0/22 | AS36407 | CERT - Software Engineering Institute | US |
| 192.88.209.5 | 192.88.209.0/24 | AS36407 | CERT - Software Engineering Institute | US |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from cert.org in the public web crawl.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
2 SPF mechanisms authorising senders for cert.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.office365.us |
| SPF_IP | 147.72.252.0/27 |
Related pages
Pivot deeper into the graph from cert.org.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cert.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.