Hostname

tcvr.ch

Last fetched Thu, 16 Jul 2026 00:08:24 GMT

tcvr.ch resolves to 1 IPv4 address operated by AS12350 in CH.

Nutrition Label

Resolution chain

tcvr.ch 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
212.40.14.30	212.40.0.0/19	AS12350	—	CH

WHOIS identity

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

Subdomains

1 observed subdomain of tcvr.ch.

Subdomain
www.tcvr.ch

Web-graph footprint

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

26 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mx2.vtx.ch

SPF policy

3 SPF mechanisms authorising senders for tcvr.ch.

Mechanism	Target
SPF_A	tcvr.ch
SPF_INCLUDE	spf.vtx.ch
SPF_MX	tcvr.ch

Pivot deeper into the graph from tcvr.ch.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "tcvr.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.