Hostname

ksoft.cz

Last fetched Sat, 11 Jul 2026 02:49:31 GMT

ksoft.cz resolves to 1 IPv4 address operated by AS39790 in CZ. WHOIS lists registrar:reg-web4u as the registrar.

Nutrition Label

Resolution chain

ksoft.cz 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
81.91.84.71	81.91.80.0/21	AS39790	—	CZ

WHOIS identity

Registrar: registrar:reg-web4u
Organization: kamil stanek-k-soft
Contact emails: —

Subdomains

5 observed subdomains of ksoft.cz.

Subdomain
info.ksoft.cz
mail.ksoft.cz
semtam.ksoft.cz
www.ksoft.cz

Showing 4 of 5. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from ksoft.cz in the public web crawl.

15 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

smtp.google.com

SPF policy

1 SPF mechanism authorising senders for ksoft.cz.

Mechanism	Target
SPF_INCLUDE	_spf.google.com

Pivot deeper into the graph from ksoft.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ksoft.cz"})-[: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.