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Hostname

sweb.cz

Last fetched

sweb.cz resolves to 1 IPv4 address operated by AS8648 in DE. WHOIS lists registrar:reg-seznam as the registrar.

Nutrition Label

WHISPER CANON · sweb.czRouting diversity1.5/10Peering density5.6/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency6.7/10Resolver footprint8.2/10canon.whisper.security/host/sweb.cz

Resolution chain

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

IPPrefixASNOperatorCountry
195.181.250.118195.181.248.0/22AS8648DE

WHOIS identity

Registrar
registrar:reg-seznam
Organization
seznam.cz, a.s.
Contact emails

Subdomains

12,932 observed subdomains of sweb.cz.

Web-graph footprint

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

1,672 sites link to this hostname.

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for sweb.cz.

MechanismTarget
SPF_INCLUDEsmtpx.stable.cz

Related pages

Pivot deeper into the graph from sweb.cz.

Cypher and MCP

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

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