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Hostname

vsfs.cz

Last fetched

vsfs.cz resolves to 81.2.195.60, announced in 81.2.192.0/18 by INTERNET-CZ - INTERNET CZ, a.s. in CZ. vsfs.cz is not listed on any threat feed indexed by WhisperGraph; reconciled level NONE.

Threat posture

0threat score (procedure-native scale)

NONE

No threats observed.

Threat feeds listing this
0
Verdict coverage
known-clean

Nutrition Label

WHISPER CANON · vsfs.czRouting diversity1.5/10Peering density3.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint4.0/10canon.whisper.security/host/vsfs.cz

Resolution chain

IPv6 resolution

No AAAA record for vsfs.cz is recorded in WhisperGraph.

WHOIS identity

Registrar
registrar:reg-internet-cz
Contact emails
sekretariat@vsfs.cz

Company

Company
Vsfs
Industry
Education Administration Programs
Headquarters
Czechia

Technology

Vsfs has been observed using 28 technologies somewhere in its estate. This is observed use, not an exposure finding. The 20 most widely adopted:

  • jQuery · javascript libraries
  • Open Graph · content management system
  • PHP · programming languages
  • Google Fonts API · font scripts
  • Google Analytics · intelligence and analytics
  • Google Tag Manager · tag management
  • Bootstrap · software framework
  • X-XSS-Protection · security
  • Google Maps · mapping and gis
  • Facebook · social media analytics and monitoring
  • Microsoft 365 · email
  • Facebook Pixel · analytics
  • Piwik PRO Core · consent management
  • YouTube · online community software
  • iCIMS · applicant tracking systems
  • OWL Carousel · javascript libraries
  • Office 365 · communication and collaboration
  • Lightbox · javascript libraries
  • Windows Server · operating systems
  • Microsoft IIS · web servers

Domain portfolio

Domains in this company's portfolio:

Subdomains

Web-graph footprint

Sampled `LINKS_TO` edges. The hyperlink layer is a pilot sample, not a web-scale crawl, so these are illustrative.

Mail and authentication

DNSSEC

WhisperGraph records no DNSSEC signature for vsfs.cz.

DKIM signing

No DKIM signing vendor is attributed to vsfs.cz in WhisperGraph.

Nameservers

  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

MX records

  • mx.vsfs.cz
  • tmg.vsfs.cz
  • vsfs-cz.mail.protection.outlook.com

SPF policy

  • ip: 147.251.49.7/32
  • a: smtpsmart.forpsi.com
  • a: vsfs.cz
  • mx: vsfs.cz
  • ip: 147.251.49.6
  • ip: 147.251.49.9

Threat-feed evidence

History

Related pages

Pivot from vsfs.cz into the addresses, networks and registries it depends on.

Queries

This hostname's full card — resolution chain, registration, mail policy, DNSSEC and mail authentication.


MATCH (h:HOSTNAME {name: $host})
OPTIONAL MATCH (h)-[:RESOLVES_TO]->(ip:IPV4)-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
OPTIONAL MATCH (a:ASN)-[:ROUTES]->(ap)
OPTIONAL MATCH (a)-[:HAS_NAME]->(an:ASN_NAME)
OPTIONAL MATCH (ip)-[:LOCATED_IN]->(city:CITY)
OPTIONAL MATCH (ip)-[:HAS_COUNTRY]->(ipc:COUNTRY)
WITH h, ip, ap, a, an, city, ipc
LIMIT 20
WITH h,
     collect({ip: ip.name, prefix: ap.name, asn: a.name, network: an.name, city: city.name, country: ipc.name}) AS resolutions,
     collect(a.name) AS asnNames,
     collect(ap.name) AS prefixNames,
     collect(ap.isMoas) AS moasFlags,
     collect(ap.rpkiStatus) AS rpkiStatuses,
     head(collect(a)) AS primaryAsn,
     head(collect(ap)) AS primaryPrefix
OPTIONAL MATCH (primaryPrefix)-[:CONFLICTS_WITH]->(conflict:ASN)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn,
     collect(conflict.name) AS conflictAsns
OPTIONAL MATCH (h)-[:HAS_REGISTRAR]->(reg:REGISTRAR)
OPTIONAL MATCH (h)-[:REGISTERED_BY]->(org:ORGANIZATION)
OPTIONAL MATCH (h)-[:CHILD_OF]->(tld:TLD)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     collect(reg.name) AS registrars,
     collect(org.name) AS organizations,
     collect(tld.name) AS tlds
OPTIONAL MATCH (h)-[:HAS_EMAIL]->(em:EMAIL)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds,
     collect(em.name) AS emails
OPTIONAL MATCH (h)-[:HAS_PHONE]->(ph:PHONE)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails,
     count(ph) AS phoneCount
OPTIONAL MATCH (h)<-[:MAIL_FOR]-(mx:HOSTNAME)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount,
     collect(mx.name)[0..20] AS mxHosts
OPTIONAL MATCH (h)<-[:NAMESERVER_FOR]-(ns:HOSTNAME)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts,
     collect(ns.name) AS nameservers
OPTIONAL MATCH (h)-[spf:SPF_A|SPF_EXISTS|SPF_INCLUDE|SPF_IP|SPF_MX|SPF_REDIRECT]->(spfTarget)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers,
     collect({mechanism: type(spf), target: spfTarget.name})[0..50] AS spf
OPTIONAL MATCH (h)-[:SIGNED_WITH]->(alg:DNSSEC_ALGORITHM)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf,
     collect(alg.name) AS dnssecAlgorithms
OPTIONAL MATCH (h)-[:DMARC_REPORTS_TO]->(dm:DMARC_RECIPIENT)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf, dnssecAlgorithms,
     collect(dm.name)[0..5] AS dmarcRecipients
OPTIONAL MATCH (h)-[:DKIM_SIGNED_BY]->(dk:VENDOR)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf, dnssecAlgorithms,
     dmarcRecipients,
     collect(coalesce(dk.displayName, dk.name))[0..5] AS dkimVendors
OPTIONAL MATCH (h)-[:HAS_SIGNAL]->(hs:THREAT_SIGNAL_TYPE)
WITH h, resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, primaryAsn, conflictAsns,
     registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf, dnssecAlgorithms,
     dmarcRecipients, dkimVendors,
     collect(hs.name) AS dnsSignals
CALL { WITH primaryAsn MATCH (primaryAsn)-[:BGP_NEIGHBOR]-(peer:ASN) RETURN count(peer) AS asnPeerCount }
RETURN h.name AS name,
       h.rank AS rank,
       h.verdictLevel AS verdictLevel,
       h.verdictScore AS verdictScore,
       h.verdictBlocking AS verdictBlocking,
       h.verdictCoverage AS verdictCoverage,
       h.verdictAdvisory AS verdictAdvisory,
       h.threatSources AS threatSources,
       h.threatFirstSeen AS threatFirstSeen,
       h.threatLastSeen AS threatLastSeen,
       h.isTor AS isTor,
       h.isVpn AS isVpn,
       h.isProxy AS isProxy,
       h.isC2 AS isC2,
       h.isPhishing AS isPhishing,
       resolutions, asnNames, prefixNames, moasFlags, rpkiStatuses, conflictAsns,
       registrars, organizations, tlds, emails, phoneCount, mxHosts, nameservers, spf,
       dnssecAlgorithms, dmarcRecipients, dkimVendors, dnsSignals,
       h.companyName AS companyName,
       h.companyIndustry AS companyIndustry,
       h.companyHqCountry AS companyHqCountry,
       h.companyHqCity AS companyHqCity,
       asnPeerCount
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The observed subdomain count, to depth 3.


MATCH (h:HOSTNAME {name: $host})
CALL { WITH h MATCH (h)<-[:CHILD_OF*1..3]-(sub:HOSTNAME) RETURN count(sub) AS subdomainCount }
RETURN subdomainCount
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Technologies the company behind this domain has been observed running, most widely adopted first.


MATCH (:HOSTNAME {name: $host})-[:RUNS_TECHNOLOGY]->(t:TECHNOLOGY)
WITH t.name AS name, t.category AS category, t.adopterCount AS adopters
ORDER BY adopters DESC, name
WITH collect({name: name, category: category}) AS technologies, count(*) AS total
RETURN total, technologies[0..20] AS technologies
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Peer companies (outbound SIMILAR_TO).

MATCH (:HOSTNAME {name: $host})-[:SIMILAR_TO]->(peer:HOSTNAME) RETURN peer.name AS host ORDER BY host LIMIT 8
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The parent company's domain and this company's domain portfolio (PARENT_OF).


MATCH (h:HOSTNAME {name: $host})
OPTIONAL MATCH (h)<-[:PARENT_OF]-(parent:HOSTNAME)
WITH h, collect({host: parent.name, company: parent.companyName})[0..3] AS parents
OPTIONAL MATCH (h)-[:PARENT_OF]->(child:HOSTNAME)
RETURN parents, collect({host: child.name, company: child.companyName})[0..10] AS portfolio
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Or query Whisper from your own LLM workflow via the Whisper MCP server.