Hostname

mvs.cz

Last fetched Sun, 07 Jun 2026 16:20:15 GMT

mvs.cz resolves to 1 IPv4 address operated by AS51013 in SK. WHOIS lists registrar:reg-websupport as the registrar.

Nutrition Label

Resolution chain

mvs.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
37.9.175.165	37.9.175.0/24	AS51013	—	SK

WHOIS identity

Registrar: registrar:reg-websupport
Organization: mezinárodní vězeňské společenství, z.s.
Contact emails: —

Subdomains

7 observed subdomains of mvs.cz.

Subdomain
mail.mvs.cz
mailin1.mvs.cz
mailin2.mvs.cz
migrace.mvs.cz
ns.mvs.cz
wildcard.mvs.cz
www.mvs.cz

Web-graph footprint

Distinct hostnames that link to or from mvs.cz in the public web crawl.

79 sites link to this hostname.

483 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 mvs.cz.

Mechanism	Target
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	_spf.m1.websupport.sk
SPF_INCLUDE	smtpx.stable.cz

Pivot deeper into the graph from mvs.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mvs.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.