Hostname

boo.st

Last fetched Wed, 01 Jul 2026 07:04:45 GMT

boo.st resolves to 2 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in NL. WHOIS lists registrar:st registry as the registrar.

Nutrition Label

Resolution chain

boo.st resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
31.43.160.6	31.43.160.0/24	AS16509	AMAZON-02 - Amazon.com, Inc.	NL
31.43.161.6	31.43.161.0/24	AS16509	AMAZON-02 - Amazon.com, Inc.	NL

WHOIS identity

Registrar: registrar:st registry
Organization: —
Contact emails: —

Subdomains

4 observed subdomains of boo.st.

Subdomain
app.boo.st
mail.boo.st
www.boo.st

Showing 3 of 4. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from boo.st in the public web crawl.

10 sites link to this hostname.

36 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for boo.st.

Mechanism	Target
SPF_INCLUDE	_spf.google.com

Pivot deeper into the graph from boo.st.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "boo.st"})-[: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.