Skip to content

Hostname

btsr.com

Last fetched

btsr.com resolves to 1 IPv4 address operated by AS3242 in IT. WHOIS lists iana:168 as the registrar.

Nutrition Label

WHISPER CANON · btsr.comRouting diversity1.5/10Peering density3.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/btsr.com

Resolution chain

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

IPPrefixASNOperatorCountry
151.1.210.105151.1.208.0/21AS3242—IT

WHOIS identity

Registrar
iana:168
Organization
btsr international s.p.a.
Contact emails

Subdomains

7 observed subdomains of btsr.com.

Subdomain
autodiscover.btsr.com
www.btsr.com
smtp3.btsr.com
smtp2.btsr.com
smtp1.btsr.com
mailstore.btsr.com
mail.btsr.com

Web-graph footprint

Distinct hostnames that link to or from btsr.com in the public web crawl.

26 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for btsr.com.

MechanismTarget
SPF_Aariel.ngway.it
SPF_Amail.btsr.com
SPF_Amail.ngway.it
SPF_INCLUDEweblink.it
SPF_IP151.1.210.29
SPF_IP151.1.210.41

Related pages

Pivot deeper into the graph from btsr.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "btsr.com"})-[: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.