Hostname
refdata.ch
Last fetched
refdata.ch resolves to 2 IPv4 addresses operated by CYON in CH.
Nutrition Label
Resolution chain
refdata.ch resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 149.126.4.147 | 149.126.0.0/21 | AS47302 | CYON | CH |
| 149.126.6.117 | 149.126.0.0/21 | AS47302 | CYON | CH |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from refdata.ch in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for refdata.ch.
| Mechanism | Target |
|---|---|
| SPF_A | refdata.ch |
| SPF_INCLUDE | one.zoho.eu |
| SPF_INCLUDE | sender.zohoinvoice.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | transmail.net |
| SPF_IP | 81.221.254.216 |
| SPF_MX | refdata.ch |
Related pages
Pivot deeper into the graph from refdata.ch.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "refdata.ch"})-[: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.