oua.ca on Whisper Internet Directory

Nutrition Label

Resolution chain

oua.ca resolves to 12 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
18.238.217.109	18.238.216.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	US
18.238.217.12	18.238.216.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	US
18.238.217.21	18.238.216.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	US
18.238.217.72	18.238.216.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	US
18.244.18.122	18.244.16.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
18.244.18.128	18.244.16.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
18.244.18.3	18.244.16.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
18.244.18.84	18.244.16.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
99.84.91.63	99.84.88.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	AT
99.84.91.68	99.84.88.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	AT
99.84.91.71	99.84.88.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	AT
99.84.91.84	99.84.88.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	AT

WHOIS identity

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Subdomains

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Web-graph footprint

Distinct hostnames that link to or from oua.ca in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

oua-ca.mail.protection.outlook.com

SPF policy

1 SPF mechanism authorising senders for oua.ca.

Mechanism	Target
SPF_INCLUDE	spf.protection.outlook.com

Related pages

Pivot deeper into the graph from oua.ca.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "oua.ca"})-[: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.