Hostname
sdserver.cz
Last fetched
sdserver.cz resolves to 1 IPv4 address operated by AS25248 in CZ. WHOIS lists registrar:reg-wedos as the registrar.
Nutrition Label
Resolution chain
sdserver.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 |
|---|---|---|---|---|
| 212.158.143.16 | 212.158.128.0/19 | AS25248 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-wedos
- Organization
- stringdata s.r.o.
- Contact emails
- —
Subdomains
86 observed subdomains of sdserver.cz.
Showing 25 of 86. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from sdserver.cz in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
9 SPF mechanisms authorising senders for sdserver.cz.
| Mechanism | Target |
|---|---|
| SPF_A | sdmail.sdserver.cz |
| SPF_A | sdmail2.sdserver.cz |
| SPF_A | sdmail3.sdserver.cz |
| SPF_A | sdserver.cz |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 212.158.143.0/25 |
| SPF_IP | 84.244.96.128/26 |
| SPF_IP | 89.221.223.89/32 |
| SPF_MX | sdserver.cz |
Related pages
Pivot deeper into the graph from sdserver.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "sdserver.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.