Hostname
berkman.nl
Last fetched
berkman.nl resolves to 1 IPv4 address operated by AS48635 in NL. WHOIS lists registrar:team.blue nl b.v. as the registrar.
Nutrition Label
Resolution chain
berkman.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 |
|---|---|---|---|---|
| 62.221.213.52 | 62.221.192.0/19 | AS48635 | — | NL |
WHOIS identity
- Registrar
- registrar:team.blue nl b.v.
- Organization
- —
- Contact emails
- —
Subdomains
15 observed subdomains of berkman.nl.
Web-graph footprint
Distinct hostnames that link to or from berkman.nl in the public web crawl.
34 sites link to this hostname.
38 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
11 SPF mechanisms authorising senders for berkman.nl.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.twikey.com |
| SPF_INCLUDE | emsd1.com |
| SPF_INCLUDE | mailgun.org |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.mandrillapp.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 137.135.202.34 |
| SPF_IP | 195.35.255.34 |
| SPF_IP | 203.169.167.15 |
| SPF_IP | 35.181.118.215 |
| SPF_IP | 35.181.121.85 |
Related pages
Pivot deeper into the graph from berkman.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "berkman.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.