Skip to content

Hostname

as4u.org

Last fetched

as4u.org resolves to 88.86.100.195, announced in 88.86.96.0/19 by SuperNetwork - SuperNetwork in CZ. as4u.org 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 · as4u.orgRouting diversity1.5/10Peering density8.5/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/as4u.org

Resolution chain

IPv6 resolution

Attribution

sh cz

DNS_OPERATOR, ORIGIN_AS

WHOIS identity

Registrar
iana:15
Registrant organisation
r-incon int., s.r.o.
Contact emails
ernest@as4u.cz

Subdomains

Subdomain
220-mail.as4u.org
_spf.as4u.org
admin.as4u.org
administrace.as4u.org
apps.as4u.org
archive.as4u.org
backup-mgmt.as4u.org
backup-rac.as4u.org
backup.as4u.org
backup01.as4u.org
backup02.as4u.org
ck.as4u.org

Showing 12 of 149. View all subdomains →

Mail and authentication

Nameservers

  • ns.as4u.cz
  • ns.district9.cz
  • ns.as4u.org

MX records

  • mx1.as4u.org
  • mx2.as4u.org

SPF policy

  • include: _spf.as4u.org

Threat-feed evidence

History

Related pages

Pivot from as4u.org into the addresses, networks and registries it depends on.

Cypher and MCP

Reproduce this hostname's resolution chain against graph.whisper.security:

MATCH (h:HOSTNAME {name: "as4u.org"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.