Hostname

mentzel.org

Last fetched Mon, 29 Jun 2026 07:14:48 GMT

mentzel.org resolves to 1 IPv4 address operated by AS6724 in DE. WHOIS lists iana:141 as the registrar.

Nutrition Label

Resolution chain

mentzel.org 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
81.169.145.86	81.169.144.0/22	AS6724	—	DE

WHOIS identity

Registrar

iana:141

Organization

christian mentzel

Contact emails

mentzelsoft@vossnet.de

Subdomains

1 observed subdomain of mentzel.org.

Subdomain
www.mentzel.org

Web-graph footprint

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

83 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

smtpin.rzone.de

SPF policy

1 SPF mechanism authorising senders for mentzel.org.

Mechanism	Target
SPF_REDIRECT	_spf.strato.com

Pivot deeper into the graph from mentzel.org.

Cypher and MCP

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

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