Hostname

jsp.cz

Last fetched Fri, 03 Jul 2026 10:37:34 GMT

jsp.cz resolves to 2 IPv4 addresses operated by AS198627 in CZ. WHOIS lists registrar:reg-zoner as the registrar.

Nutrition Label

Resolution chain

jsp.cz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
185.184.254.10	185.185.98.0/24	AS198627	—	CZ
185.184.254.11	185.185.98.0/24	AS198627	—	CZ

WHOIS identity

Registrar: registrar:reg-zoner
Organization: jsp, s.r.o.
Contact emails: —

Subdomains

4 observed subdomains of jsp.cz.

Subdomain
autodiscover.jsp.cz
mail.jsp.cz
vpn.jsp.cz
www.jsp.cz

Web-graph footprint

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

35 sites link to this hostname.

104 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

jspsro.onice.io

SPF policy

4 SPF mechanisms authorising senders for jsp.cz.

Mechanism	Target
SPF_A	jsp.cz
SPF_IP	185.119.217.99
SPF_IP	82.99.161.52
SPF_MX	jsp.cz

Pivot deeper into the graph from jsp.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "jsp.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.