Hostname
fertls.de
Last fetched
fertls.de resolves to 2 IPv4 addresses operated by AS45012 in DE.
Nutrition Label
Resolution chain
fertls.de resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 109.237.138.8 | 109.237.128.0/20 | AS45012 | — | DE |
| 81.88.34.19 | 81.88.32.0/20 | AS45012 | — | DE |
WHOIS identity
No WHOIS records are currently associated with fertls.de in WhisperGraph.
Subdomains
2 observed subdomains of fertls.de.
| Subdomain |
|---|
| mail.fertls.de |
| www.fertls.de |
Web-graph footprint
Distinct hostnames that link to or from fertls.de in the public web crawl.
4 sites linked to from this hostname.
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
1 SPF mechanism authorising senders for fertls.de.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from fertls.de.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "fertls.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.