Hostname

sperka.cz

Last fetched Mon, 10 Aug 2026 13:44:08 GMT

sperka.cz resolves to 1 IPv4 address operated by FASTER-AS - FASTER CZ spol. s r.o. in CZ.

Nutrition Label

Resolution chain

sperka.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
95.129.97.173	95.129.96.0/21	AS24641	FASTER-AS - FASTER CZ spol. s r.o.	CZ

WHOIS identity

No WHOIS records are currently associated with sperka.cz in WhisperGraph.

Subdomains

5 observed subdomains of sperka.cz.

Subdomain
avex.sperka.cz
novyprojekt.sperka.cz
webmail.sperka.cz
www.sperka.cz

Showing 4 of 5. View all subdomains →

Web-graph footprint

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

63 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mx.appco.cz

SPF policy

2 SPF mechanisms authorising senders for sperka.cz.

Mechanism	Target
SPF_A	sperka.cz
SPF_MX	sperka.cz

Pivot deeper into the graph from sperka.cz.

Cypher and MCP

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

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