ostermann.de on Whisper Internet Directory

Nutrition Label

Resolution chain

ostermann.de 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
212.53.207.28	212.53.128.0/17	AS8893	—	DE

WHOIS identity

No WHOIS records are currently associated with ostermann.de in WhisperGraph.

Subdomains

28 observed subdomains of ostermann.de.

Subdomain
admin.ostermann.de
ar.ostermann.de
autodiscover.ostermann.de
bildershop.ostermann.de
blazor.ostermann.de
dev.ostermann.de
dme.ostermann.de
dt.ostermann.de
exchange.ostermann.de
jobs.ostermann.de
kuechen-dev.ostermann.de
kuechen.ostermann.de
m.ostermann.de
mail.ostermann.de
mail1.ostermann.de
mail2.ostermann.de
mailing.ostermann.de
media.ostermann.de
prospekt.ostermann.de
serv011.ostermann.de
serv015.ostermann.de
sql01.ostermann.de
sslvpn.ostermann.de
web.ostermann.de
wildcard.ostermann.de

Showing 25 of 28. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from ostermann.de in the public web crawl.

143 sites link to this hostname.

19 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

ostermann.in.tmes.trendmicro.eu

SPF policy

7 SPF mechanisms authorising senders for ostermann.de.

Mechanism	Target
SPF_A	mail1.ostermann.de
SPF_A	mail1.trends-ostermann.de
SPF_INCLUDE	spf.crsend.com
SPF_INCLUDE	spf.mailjet.com
SPF_INCLUDE	spf.nl2go.com
SPF_INCLUDE	spf.tmes.trendmicro.eu
SPF_IP	212.53.207.126

Related pages

Pivot deeper into the graph from ostermann.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ostermann.de"})-[: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.