Hostname

btl.eu

Last fetched Wed, 22 Jul 2026 17:22:38 GMT

btl.eu resolves to 1 IPv4 address operated by LEVEL3 - Level 3 Parent, LLC in DE. WHOIS lists registrar:registrygate gmbh as the registrar.

Nutrition Label

Resolution chain

btl.eu 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
212.133.73.158	212.133.0.0/17	AS3356	LEVEL3 - Level 3 Parent, LLC	DE

WHOIS identity

Registrar: registrar:registrygate gmbh
Organization: —
Contact emails: —

Subdomains

12 observed subdomains of btl.eu.

Subdomain
citrix.btl.eu
exchange.btl.eu
mdm.btl.eu
mx.btl.eu
nextcloud.btl.eu
p.btl.eu
parallels.btl.eu
project.btl.eu
smtp.btl.eu
timecard.btl.eu
wildcard.btl.eu
www.btl.eu

Web-graph footprint

Distinct hostnames that link to or from btl.eu in the public web crawl.

Sample inbound links

btl.info

Threat posture

History

Mail and authentication

MX records

mx.btl.eu

SPF policy

4 SPF mechanisms authorising senders for btl.eu.

Mechanism	Target
SPF_A	btl.eu
SPF_INCLUDE	spf.protection.outlook.com
SPF_IP	91.24.58.109
SPF_MX	btl.eu

Pivot deeper into the graph from btl.eu.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "btl.eu"})-[: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.