Hostname
core4.sk
Last fetched
core4.sk resolves to 1 IPv4 address operated by AS51013 in SK. WHOIS lists registrar:websupport s.r.o. as the registrar.
Nutrition Label
Resolution chain
core4.sk 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 |
|---|---|---|---|---|
| 37.9.168.233 | 37.9.168.0/24 | AS51013 | — | SK |
WHOIS identity
- Registrar
- registrar:websupport s.r.o.
- Organization
- core 4
- Contact emails
Subdomains
61 observed subdomains of core4.sk.
Showing 19 of 61. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from core4.sk in the public web crawl.
19 sites link to this hostname.
11 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for core4.sk.
| Mechanism | Target |
|---|---|
| SPF_A | mail.core4.sk |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 195.168.124.250 |
| SPF_IP | 37.9.169.117 |
| SPF_IP | 62.168.118.91 |
| SPF_IP | 95.105.232.239 |
| SPF_MX | core4.sk |
Related pages
Pivot deeper into the graph from core4.sk.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "core4.sk"})-[: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.