Hostname

kestner.app

Last fetched Sun, 24 May 2026 14:50:32 GMT

kestner.app resolves to 6 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in DE. WHOIS lists iana:895 as the registrar.

Nutrition Label

Resolution chain

kestner.app resolves to 6 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
18.159.238.74	18.156.0.0/14	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
18.159.255.92	18.156.0.0/14	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
18.192.252.76	18.192.0.0/15	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
3.124.200.192	3.124.0.0/14	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
35.158.52.120	35.156.0.0/14	AS16509	AMAZON-02 - Amazon.com, Inc.	DE
63.177.25.133	63.176.0.0/14	AS16509	AMAZON-02 - Amazon.com, Inc.	DE

WHOIS identity

Registrar: iana:895
Organization: contact privacy inc. customer 7151571251
Contact emails: —

Subdomains

13 observed subdomains of kestner.app.

Subdomain
android.kestner.app
zammad.kestner.app
xn--kostenbernahme-lsb.kestner.app
www.kestner.app
videos.kestner.app
testphase.kestner.app
rabbitmq.kestner.app
portainer.kestner.app
offline.kestner.app
node2.kestner.app
node1.kestner.app
apple.kestner.app
api.kestner.app

Web-graph footprint

Distinct hostnames that link to or from kestner.app in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

SPF policy

1 SPF mechanism authorising senders for kestner.app.

Mechanism	Target
SPF_INCLUDE	spf.mailjet.com

Pivot deeper into the graph from kestner.app.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "kestner.app"})-[: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.