Hostname
ef2.nl
Last fetched
ef2.nl has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:rootnet noc b.v. as the registrar.
Nutrition Label
Resolution chain
ef2.nl has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.
WHOIS identity
- Registrar
- registrar:rootnet noc b.v.
- Organization
- —
- Contact emails
- —
Subdomains
194 observed subdomains of ef2.nl.
Showing 25 of 194. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from ef2.nl in the public web crawl.
156 sites link to this hostname.
22 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
8 SPF mechanisms authorising senders for ef2.nl.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | _spf.gripp.com |
| SPF_INCLUDE | mail.zendesk.com |
| SPF_INCLUDE | mailfilter.myrootnet.nl |
| SPF_INCLUDE | spf.mandrillapp.com |
| SPF_IP | 84.38.229.131/32 |
| SPF_IP | 84.38.229.132/32 |
| SPF_IP | 84.38.229.61 |
Related pages
Pivot deeper into the graph from ef2.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ef2.nl"})-[: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.