Hostname
cis.masterdc.com
Last fetched
cis.masterdc.com resolves to 1 IPv4 address operated by MASTER-AS Czech Republic www.master.cz in CZ.
Nutrition Label
Resolution chain
cis.masterdc.com 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 |
|---|---|---|---|---|
| 80.79.16.235 | 80.79.16.0/20 | AS24971 | MASTER-AS Czech Republic www.master.cz | CZ |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from cis.masterdc.com in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
7 SPF mechanisms authorising senders for cis.masterdc.com.
| Mechanism | Target |
|---|---|
| SPF_A | cis.masterdc.com |
| SPF_A | d200.master.cz |
| SPF_A | d24.westmaster.com |
| SPF_A | d78.westmaster.com |
| SPF_A | exch.active.master.cz |
| SPF_A | icinga.master.cz |
| SPF_MX | cis.masterdc.com |
Related pages
Pivot deeper into the graph from cis.masterdc.com.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cis.masterdc.com"})-[: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.