Skip to content

Hostname

ottovalk.nl

Last fetched

ottovalk.nl resolves to 1 IPv4 address operated by AS20857 in NL. WHOIS lists registrar:team.blue nl b.v. as the registrar.

Nutrition Label

WHISPER CANON · ottovalk.nlRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.2/10canon.whisper.security/host/ottovalk.nl

Resolution chain

ottovalk.nl resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
149.210.181.55149.210.128.0/17AS20857—NL

WHOIS identity

Registrar
registrar:team.blue nl b.v.
Organization
—
Contact emails
—

Subdomains

2 observed subdomains of ottovalk.nl.

Subdomain
mail.ottovalk.nl
www.ottovalk.nl

Web-graph footprint

Distinct hostnames that link to or from ottovalk.nl in the public web crawl.

4 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for ottovalk.nl.

MechanismTarget
SPF_Aserver.email-host.eu
SPF_IP149.210.181.55
SPF_IP2a01:7c8:aab5:8d::/64
SPF_IP77.221.39.193/32
SPF_IP77.221.39.243/32
SPF_MXottovalk.nl

Related pages

Pivot deeper into the graph from ottovalk.nl.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "ottovalk.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.