Hostname
kerstner.de
Last fetched
kerstner.de resolves to 1 IPv4 address operated by ITINSELLCLOUD-AS - ITINSELL CLOUD SAS in FR.
Nutrition Label
Resolution chain
kerstner.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 |
|---|---|---|---|---|
| 46.18.213.18 | 46.18.208.0/21 | AS34235 | ITINSELLCLOUD-AS - ITINSELL CLOUD SAS | FR |
WHOIS identity
No WHOIS records are currently associated with kerstner.de in WhisperGraph.
Subdomains
2 observed subdomains of kerstner.de.
Web-graph footprint
Distinct hostnames that link to or from kerstner.de in the public web crawl.
15 sites link to this hostname.
12 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
5 SPF mechanisms authorising senders for kerstner.de.
| Mechanism | Target |
|---|---|
| SPF_A | kerstner.de |
| SPF_INCLUDE | 146836589.spf01.hubspotemail.net |
| SPF_INCLUDE | spf-de.emailsignatures365.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 217.89.116.179 |
Related pages
Pivot deeper into the graph from kerstner.de.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "kerstner.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.