Hostname
substring.ch
Last fetched
substring.ch appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.
Nutrition Label
Resolution chain
substring.ch has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.
WHOIS identity
No WHOIS records are currently associated with substring.ch in WhisperGraph.
Subdomains
20 observed subdomains of substring.ch.
Showing 19 of 20. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from substring.ch in the public web crawl.
32 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
3 SPF mechanisms authorising senders for substring.ch.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | 9441890.spf10.hubspotemail.net |
| SPF_INCLUDE | mail.zendesk.com |
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from substring.ch.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "substring.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.