Skip to content

Hostname

tos.cz

Last fetched

tos.cz resolves to 1 IPv4 address operated by AS16276 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

WHISPER CANON · tos.czRouting diversity1.5/10Peering density9.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/tos.cz

Resolution chain

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

IPPrefixASNOperatorCountry
151.80.91.105151.80.0.0/16AS16276—CZ

WHOIS identity

Registrar
registrar:reg-internet-cz
Organization
tos svitavy, a.s.
Contact emails
—

Subdomains

2 observed subdomains of tos.cz.

Subdomain
mail.tos.cz
www.tos.cz

Web-graph footprint

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

16 sites link to this hostname.

5 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for tos.cz.

MechanismTarget
SPF_Atos.cz
SPF_INCLUDEspf.atollon.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP93.181.78.28
SPF_IP93.181.78.30
SPF_MXtos.cz

Related pages

Pivot deeper into the graph from tos.cz.

Cypher and MCP

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

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