Skip to content

Hostname

hostmaster.ca

Last fetched

hostmaster.ca resolves to 14 IPv4 addresses operated by AMAZON-AES - Amazon.com, Inc. in US. WHOIS lists registrar:internic.ca inc. as the registrar.

Nutrition Label

WHISPER CANON · hostmaster.caRouting diversity5.4/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.3/10canon.whisper.security/host/hostmaster.ca

Resolution chain

hostmaster.ca resolves to 14 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
16.15.183.24516.15.176.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.187.616.15.184.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.191.5816.15.184.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.199.13916.15.192.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.199.22616.15.192.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.207.3716.15.200.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.216.116.15.216.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.15.223.9016.15.216.0/21AS14618AMAZON-AES - Amazon.com, Inc.US
16.182.37.12516.182.32.0/21AS16509AMAZON-02 - Amazon.com, Inc.US
3.5.22.773.5.22.0/23AS14618AMAZON-AES - Amazon.com, Inc.US
52.217.117.21352.217.112.0/20AS16509AMAZON-02 - Amazon.com, Inc.US
52.217.172.14952.217.160.0/19AS16509AMAZON-02 - Amazon.com, Inc.US
52.217.206.21352.217.192.0/19AS16509AMAZON-02 - Amazon.com, Inc.US
52.217.233.25352.217.224.0/19AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
registrar:internic.ca inc.
Organization
hostmaster.ca corporation
Contact emails

Subdomains

6 observed subdomains of hostmaster.ca.

Subdomain
dns.hostmaster.ca
www.hostmaster.ca
service.hostmaster.ca
mx.hostmaster.ca
hosting.hostmaster.ca
dns2.hostmaster.ca

Web-graph footprint

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

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for hostmaster.ca.

MechanismTarget
SPF_IP66.6.56.240/29

Related pages

Pivot deeper into the graph from hostmaster.ca.

Cypher and MCP

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

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