Hostname

ddem.cz

Last fetched Mon, 06 Jul 2026 15:57:28 GMT

ddem.cz resolves to 1 IPv4 address operated by AS24806 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

Resolution chain

ddem.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
81.2.216.231	81.2.192.0/18	AS24806	—	CZ

WHOIS identity

Registrar: registrar:reg-internet-cz
Organization: d.d.m., s.r.o.
Contact emails: —

Subdomains

6 observed subdomains of ddem.cz.

Subdomain
aplikace.ddem.cz
cms.ddem.cz
mail.ddem.cz
wildcard.ddem.cz
www.ddem.cz

Showing 5 of 6. View all subdomains →

Web-graph footprint

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

14 sites link to this hostname.

9 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mxavas.forpsi.com

SPF policy

4 SPF mechanisms authorising senders for ddem.cz.

Mechanism	Target
SPF_A	ddem.cz
SPF_INCLUDE	_spf.forpsi.com
SPF_IP	185.156.122.148
SPF_MX	ddem.cz

Pivot deeper into the graph from ddem.cz.

Cypher and MCP

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

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