Hostname

4core.pl

Last fetched Mon, 25 May 2026 09:56:07 GMT

4core.pl has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:aftermarket.pl limited as the registrar.

Nutrition Label

Resolution chain

4core.pl has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar: registrar:aftermarket.pl limited
Organization: —
Contact emails: —

Subdomains

5 observed subdomains of 4core.pl.

Subdomain
hostmaster.4core.pl
www.4core.pl
ns2.4core.pl
ns1.4core.pl
mail.4core.pl

Web-graph footprint

Distinct hostnames that link to or from 4core.pl in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail21.mydevil.net

SPF policy

3 SPF mechanisms authorising senders for 4core.pl.

Mechanism	Target
SPF_A	4core.pl
SPF_INCLUDE	mail21.mydevil.net
SPF_MX	4core.pl

Pivot deeper into the graph from 4core.pl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "4core.pl"})-[: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.