Hostname

bufr.nl

Last fetched Thu, 02 Jul 2026 13:22:42 GMT

bufr.nl resolves to 1 IPv4 address operated by AS48501 in NL. WHOIS lists registrar:internationale domeinregistratie nederland as the registrar.

Nutrition Label

Resolution chain

bufr.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
185.161.140.137	185.161.140.0/22	AS48501	—	NL

WHOIS identity

Registrar: registrar:internationale domeinregistratie nederland
Organization: —
Contact emails: —

Subdomains

4 observed subdomains of bufr.nl.

Subdomain
data.bufr.nl
media.bufr.nl
staging.bufr.nl
www.bufr.nl

Web-graph footprint

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

45 sites link to this hostname.

12 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

bufr-nl.mail.protection.outlook.com

SPF policy

3 SPF mechanisms authorising senders for bufr.nl.

Mechanism	Target
SPF_INCLUDE	emsd1.com
SPF_INCLUDE	spf.protection.outlook.com
SPF_IP	185.161.140.137

Pivot deeper into the graph from bufr.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "bufr.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.