Hostname

bobko.cz

Last fetched Tue, 07 Jul 2026 00:27:32 GMT

bobko.cz resolves to 1 IPv4 address operated by FLY - Fly.io, Inc. in FR.

Nutrition Label

Resolution chain

bobko.cz 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
66.241.124.166	66.241.124.0/23	AS40509	FLY - Fly.io, Inc.	FR

WHOIS identity

No WHOIS records are currently associated with bobko.cz in WhisperGraph.

Subdomains

4 observed subdomains of bobko.cz.

Subdomain
mailin1.bobko.cz
mailin2.bobko.cz
wildcard.bobko.cz
www.bobko.cz

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for bobko.cz.

Mechanism	Target
SPF_A	bobko.cz
SPF_INCLUDE	_spf.m1.websupport.sk
SPF_MX	bobko.cz

Pivot deeper into the graph from bobko.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "bobko.cz"})-[: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.