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Hostname

optocal.ch

Last fetched

optocal.ch resolves to 1 IPv4 address operated by CH-IBS-AS8271 in CH.

Nutrition Label

WHISPER CANON · optocal.chRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/optocal.ch

Resolution chain

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

IPPrefixASNOperatorCountry
62.48.3.13262.48.0.0/19AS8271CH-IBS-AS8271CH

WHOIS identity

No WHOIS records are currently associated with optocal.ch in WhisperGraph.

Subdomains

2 observed subdomains of optocal.ch.

Subdomain
mxhost1.optocal.ch
www.optocal.ch

Web-graph footprint

Distinct hostnames that link to or from optocal.ch in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for optocal.ch.

MechanismTarget
SPF_Aoptocal.ch
SPF_IP46.175.9.207/32
SPF_IP46.175.9.43
SPF_IP62.48.3.130/27
SPF_IP62.48.3.132
SPF_IP62.48.3.139
SPF_MXoptocal.ch

Related pages

Pivot deeper into the graph from optocal.ch.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "optocal.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.