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Hostname

etr.ca

Last fetched

etr.ca resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:go daddy domains canada, inc as the registrar.

Nutrition Label

WHISPER CANON · etr.caRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.0/10canon.whisper.security/host/etr.ca

Resolution chain

etr.ca resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.83.184104.21.80.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.180.128172.67.176.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
registrar:go daddy domains canada, inc
Organization
the essex terminal railway
Contact emails

Subdomains

3 observed subdomains of etr.ca.

Subdomain
mail.etr.ca
www.etr.ca
webdisk.etr.ca

Web-graph footprint

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

14 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for etr.ca.

MechanismTarget
SPF_INCLUDEspf.hornetsecurity.com
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEu3366496.wl247.sendgrid.net
SPF_IP216.8.190.153

Related pages

Pivot deeper into the graph from etr.ca.

Cypher and MCP

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

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