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Hostname

nextup.cz

Last fetched

nextup.cz resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in IE. WHOIS lists registrar:reg-zoner as the registrar.

Nutrition Label

WHISPER CANON · nextup.czRouting diversity1.5/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.2/10canon.whisper.security/host/nextup.cz

Resolution chain

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

IPPrefixASNOperatorCountry
52.214.64.6352.208.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.IE

WHOIS identity

Registrar
registrar:reg-zoner
Organization
jan kafka
Contact emails
—

Subdomains

12 observed subdomains of nextup.cz.

Subdomain
agnes.nextup.cz
djangoadmin.nextup.cz
elodie.nextup.cz
fa.nextup.cz
rt.nextup.cz
rt2.nextup.cz
satan.nextup.cz
smtp.nextup.cz
ssh.nextup.cz
www-arya.nextup.cz
www.nextup.cz
zoe.nextup.cz

Web-graph footprint

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

14 sites link to this hostname.

10 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for nextup.cz.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEsandbox.cz
SPF_IP63.34.133.174
SPF_IP77.78.101.176/28
SPF_IP82.208.49.240/28

Related pages

Pivot deeper into the graph from nextup.cz.

Cypher and MCP

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

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