Hostname

ptrc.ca

Last fetched Sat, 23 May 2026 12:15:27 GMT

ptrc.ca resolves to 1 IPv4 address operated by SASKTEL - Saskatchewan Telecommunications in CA.

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
142.165.148.140	142.165.0.0/16	AS803	SASKTEL - Saskatchewan Telecommunications	CA

WHOIS identity

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Subdomains

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Web-graph footprint

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

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

ptrc-ca.mail.protection.outlook.com

SPF policy

1 SPF mechanism authorising senders for ptrc.ca.

Mechanism	Target
SPF_INCLUDE	_spf.ptrc_ca._d.easydmarc.pro

Pivot deeper into the graph from ptrc.ca.

Cypher and MCP

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

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