Hostname

t42.org

Last fetched Fri, 19 Jun 2026 05:58:59 GMT

t42.org is a registered hostname under the .org top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

Resolution chain

Resolution chain data is temporarily unavailable. Refresh in a moment to retry.

WHOIS identity

Registrar

iana:1420

Organization

sven gohdes

Contact emails

winni@t42.ccc.de

Subdomains

2 observed subdomains of t42.org.

Subdomain
mail.t42.org
www.t42.org

Web-graph footprint

Distinct hostnames that link to or from t42.org in the public web crawl.

6 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.sdinet.de

SPF policy

2 SPF mechanisms authorising senders for t42.org.

Mechanism	Target
SPF_INCLUDE	spf.sdinet.de
SPF_MX	t42.org

Pivot deeper into the graph from t42.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "t42.org"})-[: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.