Hostname
quercus.co
Last fetched
quercus.co resolves to 1 IPv4 address operated by AS16276 in PL. WHOIS lists iana:303 as the registrar.
Nutrition Label
Resolution chain
quercus.co 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 |
|---|---|---|---|---|
| 94.23.89.116 | 94.23.0.0/16 | AS16276 | — | PL |
WHOIS identity
- Registrar
- iana:303
- Organization
- quercus, adamus, kopytko sp.j.
- Contact emails
Subdomains
42 observed subdomains of quercus.co.
Showing 25 of 42. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from quercus.co in the public web crawl.
17 sites link to this hostname.
8 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
3 SPF mechanisms authorising senders for quercus.co.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf-h68.microhost.pl |
| SPF_IP | 185.200.44.2 |
| SPF_IP | 195.177.216.210 |
Related pages
Pivot deeper into the graph from quercus.co.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "quercus.co"})-[: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.