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Hostname

1er.cz

Last fetched

1er.cz resolves to 2 IPv4 addresses operated by AS24806 in CZ. WHOIS lists registrar:reg-webglobe as the registrar.

Nutrition Label

WHISPER CANON · 1er.czRouting diversity2.4/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/1er.cz

Resolution chain

1er.cz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

WHOIS identity

Registrar
registrar:reg-webglobe
Organization
terrespect s.r.o.
Contact emails

Subdomains

11 observed subdomains of 1er.cz.

Web-graph footprint

Distinct hostnames that link to or from 1er.cz in the public web crawl.

116 sites link to this hostname.

14 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

5 SPF mechanisms authorising senders for 1er.cz.

MechanismTarget
SPF_A1er.cz
SPF_INCLUDE_spf.forpsi.com
SPF_INCLUDE_spf.mycore.cloud
SPF_INCLUDEspf.mtasv.net
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from 1er.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "1er.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.