Hostname

signed.cz

Last fetched Mon, 06 Jul 2026 22:42:58 GMT

signed.cz resolves to 1 IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation in NL.

Nutrition Label

Resolution chain

signed.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
40.115.33.198	40.112.0.0/13	AS8075	MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	NL

WHOIS identity

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

Subdomains

1 observed subdomain of signed.cz.

Subdomain
www.signed.cz

Web-graph footprint

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

20 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.origine.cz

SPF policy

2 SPF mechanisms authorising senders for signed.cz.

Mechanism	Target
SPF_A	signed.cz
SPF_MX	signed.cz

Pivot deeper into the graph from signed.cz.

Cypher and MCP

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

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