Hostname

upm.cz

Last fetched Mon, 29 Jun 2026 14:16:09 GMT

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

Nutrition Label

Resolution chain

upm.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
37.9.175.163	37.9.175.0/24	AS51013	—	SK

WHOIS identity

Registrar: registrar:reg-webglobe
Organization: bca. viktor škaroupka, dis
Contact emails: —

Subdomains

19 observed subdomains of upm.cz.

Subdomain
antispam.upm.cz
en.upm.cz
hb.upm.cz
inweb.upm.cz
katalog.upm.cz
knihovna.upm.cz
kramerius.upm.cz
mail.upm.cz
mailer.upm.cz
office.upm.cz
pr.upm.cz
proxy.upm.cz
tinweb.upm.cz
vuk.upm.cz
wildcard.upm.cz
www.upm.cz
wwwopac.upm.cz

Showing 17 of 19. View all subdomains →

Web-graph footprint

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

488 sites link to this hostname.

119 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

13 SPF mechanisms authorising senders for upm.cz.

Mechanism	Target
SPF_INCLUDE	_spf.fxdc.cz
SPF_INCLUDE	spf.active24.com
SPF_IP	31.15.10.73
SPF_IP	31.31.73.12
SPF_IP	31.31.78.96
SPF_IP	37.157.192.174
SPF_IP	37.9.178.163
SPF_IP	80.188.40.11
SPF_IP	88.146.184.67
SPF_IP	88.146.184.68
SPF_IP	89.187.129.13
SPF_IP	89.187.129.14
SPF_IP	95.168.211.187

Pivot deeper into the graph from upm.cz.

Cypher and MCP

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

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