Hostname

dravon.cz

Last fetched Tue, 04 Aug 2026 04:41:54 GMT

dravon.cz resolves to 1 IPv4 address operated by MASTER-AS - MasterDC s.r.o. in CZ. WHOIS lists registrar:reg-ignum as the registrar.

Nutrition Label

Resolution chain

dravon.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
89.185.244.102	89.185.224.0/19	AS24971	MASTER-AS - MasterDC s.r.o.	CZ

WHOIS identity

Registrar: registrar:reg-ignum
Organization: dravon s.r.o.
Contact emails: —

Subdomains

2 observed subdomains of dravon.cz.

Subdomain
ns.dravon.cz
www.dravon.cz

Web-graph footprint

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

22 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

smtp1.web-klub.cz

SPF policy

3 SPF mechanisms authorising senders for dravon.cz.

Mechanism	Target
SPF_A	smtp1.web-klub.cz
SPF_INCLUDE	_emailing.heureka.cz
SPF_INCLUDE	_spf.google.com

Pivot deeper into the graph from dravon.cz.

Cypher and MCP

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

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