Hostname
grcu.nl
Last fetched
grcu.nl resolves to 1 IPv4 address operated by AKAMAI-LINODE-AP - Akamai Connected Cloud in DE. WHOIS lists registrar:realtime register as the registrar.
Nutrition Label
Resolution chain
grcu.nl 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 |
|---|---|---|---|---|
| 139.162.128.243 | 139.162.128.0/19 | AS63949 | AKAMAI-LINODE-AP - Akamai Connected Cloud | DE |
WHOIS identity
- Registrar
- registrar:realtime register
- Organization
- —
- Contact emails
- —
Subdomains
2 observed subdomains of grcu.nl.
| Subdomain |
|---|
| fm-wis.grcu.nl |
| www.grcu.nl |
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for grcu.nl.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.wiscollect.nl |
| SPF_INCLUDE | _spf.zivver.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 89.255.17.1 |
Related pages
Pivot deeper into the graph from grcu.nl.
- IP · 139.162.128.243
- ASN · AS63949AKAMAI-LINODE-AP - Akamai Connected Cloud
- Registrar · registrar:realtime register
- Country · DE
- TLD · .nl
- Browse hostnames · gr…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "grcu.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.