Hostname

0.sk

Last fetched Thu, 21 May 2026 14:48:34 GMT

0.sk resolves to 1 IPv4 address operated by HETZNER-AS in FI. WHOIS lists registrar:hilberman capital, s.r.o. as the registrar.

Nutrition Label

Resolution chain

0.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
65.21.162.154	65.21.0.0/16	AS24940	HETZNER-AS	FI

WHOIS identity

Registrar

registrar:hilberman capital, s.r.o.

Organization

hilberman capital, s.r.o.

Contact emails

info@hilberman.com

Subdomains

1 observed subdomain of 0.sk.

Subdomain
ww2.0.sk

Web-graph footprint

Distinct hostnames that link to or from 0.sk in the public web crawl.

Sample outbound links

monopoly.vc

Threat posture

History

Mail and authentication

MX records

vip-mail.superhosting.cz

SPF policy

2 SPF mechanisms authorising senders for 0.sk.

Mechanism	Target
SPF_A	0.sk
SPF_MX	0.sk

Pivot deeper into the graph from 0.sk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "0.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.