Hostname

kacer.net

Last fetched Mon, 10 Aug 2026 12:40:29 GMT

kacer.net resolves to 1 IPv4 address operated by COOLHOUSING-AS - COOLHOUSING-AS in CZ. WHOIS lists iana:106 as the registrar.

Nutrition Label

Resolution chain

kacer.net 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
89.187.145.142	89.187.144.0/23	AS35592	COOLHOUSING-AS - COOLHOUSING-AS	CZ

WHOIS identity

Registrar: iana:106
Organization: —
Contact emails: —

Subdomains

8 observed subdomains of kacer.net.

Subdomain
drake.kacer.net
mail.kacer.net
mail2.kacer.net
martin.kacer.net
new.kacer.net
old.kacer.net
svatba.kacer.net
www.kacer.net

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for kacer.net.

Mechanism	Target
SPF_A	kacer.net
SPF_INCLUDE	gmail.com
SPF_IP	2a01:5f0:c001:119:216:3eff:fe01:38e
SPF_IP	89.187.145.142
SPF_MX	kacer.net

Pivot deeper into the graph from kacer.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "kacer.net"})-[: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.