Hostname
ruk.ca
Last fetched
ruk.ca resolves to 1 IPv4 address operated by HETZNER-AS in FI. WHOIS lists iana:456 as the registrar.
Nutrition Label
Resolution chain
ruk.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 |
|---|---|---|---|---|
| 135.181.248.33 | 135.181.0.0/16 | AS24940 | HETZNER-AS | FI |
WHOIS identity
- Registrar
- iana:456
- Organization
- reinvented
- Contact emails
Subdomains
10 observed subdomains of ruk.ca.
Web-graph footprint
Distinct hostnames that link to or from ruk.ca in the public web crawl.
150 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
5 SPF mechanisms authorising senders for ruk.ca.
| Mechanism | Target |
|---|---|
| SPF_A | ruk.ca |
| SPF_INCLUDE | spf.messagingengine.com |
| SPF_INCLUDE | spf.mtasv.net |
| SPF_INCLUDE | spfa.mailendo.com |
| SPF_MX | ruk.ca |
Related pages
Pivot deeper into the graph from ruk.ca.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ruk.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.