Hostname
refsystem.pl
Last fetched
refsystem.pl resolves to 1 IPv4 address operated by NETARTGROUP in PL. WHOIS lists registrar:consulting service sp. z o.o. as the registrar.
Nutrition Label
Resolution chain
refsystem.pl 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 |
|---|---|---|---|---|
| 77.55.252.101 | 77.55.252.0/23 | AS15967 | NETARTGROUP | PL |
WHOIS identity
- Registrar
- registrar:consulting service sp. z o.o.
- Organization
- refsystem sp. z.o.o
- Contact emails
- —
Subdomains
4 observed subdomains of refsystem.pl.
Showing 3 of 4. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from refsystem.pl in the public web crawl.
6 sites link to this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for refsystem.pl.
| Mechanism | Target |
|---|---|
| SPF_A | refsystem.pl |
| SPF_INCLUDE | _spf.netmark.pl |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 213.189.56.76 |
| SPF_IP | 31.186.86.51 |
| SPF_IP | 77.55.252.101 |
| SPF_MX | refsystem.pl |
Related pages
Pivot deeper into the graph from refsystem.pl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "refsystem.pl"})-[: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.