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Hostname

aspa.cz

Last fetched

aspa.cz resolves to 1 IPv4 address operated by AS24641 in CZ. WHOIS lists registrar:reg-zoner as the registrar.

Nutrition Label

WHISPER CANON · aspa.czRouting diversity1.5/10Peering density4.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint4.0/10canon.whisper.security/host/aspa.cz

Resolution chain

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

IPPrefixASNOperatorCountry
81.19.8.4981.19.0.0/20AS24641—CZ
81.19.8.4981.19.0.0/20AS24641—CZ

WHOIS identity

Registrar
registrar:reg-zoner
Organization
aspa, a.s.
Contact emails

Subdomains

8 observed subdomains of aspa.cz.

Subdomain
db.aspa.cz
gw.aspa.cz
klient.aspa.cz
mail.aspa.cz
wifi.aspa.cz
www.aspa.cz

Showing 6 of 8. View all subdomains →

Web-graph footprint

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

9 sites link to this hostname.

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

10 SPF mechanisms authorising senders for aspa.cz.

MechanismTarget
SPF_Amail.gwl-mail.eu
SPF_Amail.i4wifi.cz
SPF_Amail.i4wifi.eu
SPF_Amailvps1.i4wifi.cz
SPF_INCLUDE_emailing.heureka.cz
SPF_INCLUDE_spf.google.com
SPF_INCLUDEspf.mailkit.eu
SPF_IP80.95.120.24/29
SPF_IP93.90.163.112/29
SPF_IP95.168.211.0/24

Related pages

Pivot deeper into the graph from aspa.cz.

Cypher and MCP

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

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