Hostname

hartmann.at

Last fetched Tue, 26 May 2026 07:18:46 GMT

hartmann.at resolves to 1 IPv4 address operated by HETZNER-AS in DE. WHOIS lists registrar:united-domains gmbh as the registrar.

Nutrition Label

Resolution chain

hartmann.at 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
159.69.144.150	159.69.0.0/16	AS24940	HETZNER-AS	DE

WHOIS identity

Registrar: registrar:united-domains gmbh
Organization: alexander kalb
Contact emails: —

Subdomains

13 observed subdomains of hartmann.at.

Subdomain
arnold.hartmann.at
wwww.hartmann.at
www.hartmann.at
ww.hartmann.at
user.hartmann.at
remote.hartmann.at
nikola.hartmann.at
jens.hartmann.at
beta.hartmann.at
autodiscover.hartmann.at
at.hartmann.at

Showing 11 of 13. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from hartmann.at in the public web crawl.

12 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

smtp.barga.com

SPF policy

3 SPF mechanisms authorising senders for hartmann.at.

Mechanism	Target
SPF_A	hartmann.at
SPF_IP	2a01:4f8:c0c:5f57:0:0:0:0
SPF_MX	hartmann.at

Pivot deeper into the graph from hartmann.at.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "hartmann.at"})-[: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.