Hostname

dssro.cz

Last fetched Tue, 04 Aug 2026 08:48:39 GMT

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

Nutrition Label

Resolution chain

dssro.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
89.185.244.100	89.185.224.0/19	AS24971	MASTER-AS - MasterDC s.r.o.	CZ

WHOIS identity

Registrar: registrar:reg-webglobe
Organization: ds, spol. s r.o.
Contact emails: —

Subdomains

1 observed subdomain of dssro.cz.

Subdomain
www.dssro.cz

Web-graph footprint

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

18 sites link to this hostname.

15 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

insmtp.dragon-cloud.org

SPF policy

5 SPF mechanisms authorising senders for dssro.cz.

Mechanism	Target
SPF_A	outsmtp.dragon-cloud.org
SPF_A	smtp1.web-klub.cz
SPF_INCLUDE	_emailing.heureka.cz
SPF_IP	81.31.42.171/32
SPF_IP	89.185.244.99/32

Pivot deeper into the graph from dssro.cz.

Cypher and MCP

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

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