Hostname

sor.cz

Last fetched Fri, 14 Aug 2026 11:20:13 GMT

sor.cz resolves to 1 IPv4 address operated by RESAL-AS - OG Soft s.r.o. in CZ. WHOIS lists registrar:reg-web4u as the registrar.

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
91.227.7.76	91.227.7.0/24	AS56717	RESAL-AS - OG Soft s.r.o.	CZ

WHOIS identity

Registrar: registrar:reg-web4u
Organization: sor libchavy, spol. s r.o.
Contact emails: —

Subdomains

11 observed subdomains of sor.cz.

Subdomain
covid.sor.cz
jidelna.sor.cz
mail.sor.cz
netbox.sor.cz
post.sor.cz
qi.sor.cz
router.sor.cz
shop.sor.cz
vpn.sor.cz
wildcard.sor.cz
www.sor.cz

Web-graph footprint

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

91 sites link to this hostname.

23 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.sor.cz

SPF policy

1 SPF mechanism authorising senders for sor.cz.

Mechanism	Target
SPF_MX	sor.cz

Pivot deeper into the graph from sor.cz.

Cypher and MCP

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

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