Hostname
c21.ca
Last fetched
c21.ca resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists registrar:enom canada corp. as the registrar.
Nutrition Label
Resolution chain
c21.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 |
|---|---|---|---|---|
| 44.225.49.198 | 44.224.0.0/11 | AS16509 | AMAZON-02 - Amazon.com, Inc. | US |
WHOIS identity
- Registrar
- registrar:enom canada corp.
- Organization
- century 21 canada
- Contact emails
Subdomains
1,195 observed subdomains of c21.ca.
Showing 25 of 1,195. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from c21.ca in the public web crawl.
522 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
3 SPF mechanisms authorising senders for c21.ca.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from c21.ca.
- IP · 44.225.49.198
- ASN · AS16509AMAZON-02 - Amazon.com, Inc.
- Registrar · registrar:enom canada corp.
- Country · US
- Email · bogdan.oltean@century21.ca
- TLD · .ca
- Browse hostnames · c2…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "c21.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.