Hostname

bustr.cz

Last fetched Sun, 26 Jul 2026 21:29:02 GMT

bustr.cz resolves to 1 IPv4 address operated by AS16276 in CZ.

Nutrition Label

Resolution chain

bustr.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
37.59.165.249	37.59.0.0/16	AS16276	—	CZ

WHOIS identity

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

Subdomains

1 observed subdomain of bustr.cz.

Subdomain
www.bustr.cz

Web-graph footprint

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

10 sites linked to from this hostname.

Sample inbound links

levneweby-pn.cz

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for bustr.cz.

Mechanism	Target
SPF_A	bustr.cz
SPF_INCLUDE	spf.zserver.cz
SPF_MX	bustr.cz

Pivot deeper into the graph from bustr.cz.

Cypher and MCP

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

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