Hostname
dfn.de
Last fetched
dfn.de resolves to 1 IPv4 address operated by UVENSYS in DE.
Nutrition Label
Resolution chain
dfn.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 |
|---|---|---|---|---|
| 37.208.106.105 | 37.208.104.0/21 | AS58010 | UVENSYS | DE |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from dfn.de in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
4 SPF mechanisms authorising senders for dfn.de.
| Mechanism | Target |
|---|---|
| SPF_A | deneb.dfn.de |
| SPF_INCLUDE | _spf.dfn-cert.de |
| SPF_INCLUDE | _spf.s1004.mx.srv.dfn.de |
| SPF_INCLUDE | _spft.telekom.com |
Related pages
Pivot deeper into the graph from dfn.de.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "dfn.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.