Hostname
portabase.nl
Last fetched
portabase.nl resolves to 1 IPv4 address operated by AS20857 in NL. WHOIS lists registrar:team.blue nl b.v. as the registrar.
Nutrition Label
Resolution chain
portabase.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 |
|---|---|---|---|---|
| 89.41.169.177 | 89.41.168.0/22 | AS20857 | — | NL |
WHOIS identity
- Registrar
- registrar:team.blue nl b.v.
- Organization
- —
- Contact emails
- —
Subdomains
18 observed subdomains of portabase.nl.
Web-graph footprint
Distinct hostnames that link to or from portabase.nl in the public web crawl.
13 sites link to this hostname.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
14 SPF mechanisms authorising senders for portabase.nl.
| Mechanism | Target |
|---|---|
| SPF_A | portabase.nl |
| SPF_INCLUDE | mail.zendesk.com |
| SPF_INCLUDE | spf.flowmailer.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 136.144.141.182 |
| SPF_IP | 149.210.144.155 |
| SPF_IP | 149.210.237.166 |
| SPF_IP | 2a01:7c8:aaae:2c6::1/64 |
| SPF_IP | 2a01:7c8:aabb:b1::1/64 |
| SPF_IP | 2a01:7c8:bb07:127:5054:ff:fea9:3f3c/64 |
| SPF_IP | 2a01:7c8:fff8:447::1/64 |
| SPF_IP | 77.72.148.48 |
| SPF_IP | 95.170.74.150 |
| SPF_MX | portabase.nl |
Related pages
Pivot deeper into the graph from portabase.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "portabase.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.