Hostname

bigbrain.sk

Last fetched Sun, 31 May 2026 13:59:40 GMT

bigbrain.sk has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:websupport s.r.o. as the registrar.

Nutrition Label

Resolution chain

bigbrain.sk has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar: registrar:websupport s.r.o.
Organization: bitflux ou
Contact emails: —

Subdomains

4 observed subdomains of bigbrain.sk.

Subdomain
mailin1.bigbrain.sk
mailin2.bigbrain.sk
wildcard.bigbrain.sk
www.bigbrain.sk

Web-graph footprint

Distinct hostnames that link to or from bigbrain.sk in the public web crawl.

5 sites link to this hostname.

35 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for bigbrain.sk.

Mechanism	Target
SPF_A	bigbrain.sk
SPF_INCLUDE	_spf.m1.websupport.sk
SPF_MX	bigbrain.sk

Pivot deeper into the graph from bigbrain.sk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "bigbrain.sk"})-[: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.