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Hostname

opcheck.app

Last fetched

opcheck.app is a hostname indexed by WhisperGraph, the internet-infrastructure graph behind the Whisper Internet Directory. opcheck.app is listed by 1 threat feed; reconciled level HIGH.

Threat posture

40threat score (procedure-native scale)

HIGH

Listed by 1 threat feed. At least one source recommends blocking.

Threat feeds listing this
1
Verdict coverage
malicious-evidenced
First seen on a feed
Wed, 26 Aug 2026 14:49:20 GMT
Last seen on a feed
Wed, 16 Sep 2026 00:19:35 GMT

Nutrition Label

WHISPER CANON · opcheck.appRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/opcheck.app

Resolution chain

No IPv4 resolution is recorded for opcheck.app in WhisperGraph.

IPv6 resolution

WHOIS identity

Registrar
iana:3765
Registrant organisation
asdf asdf

Subdomains

Subdomain
www.opcheck.app

Showing 1 of 1 subdomain (1 per page).

Mail and authentication

Nameservers

  • ns1020.ui-dns.biz
  • ns1107.ui-dns.com
  • ns1065.ui-dns.de
  • ns1093.ui-dns.org

MX records

  • mx00.ionos.de
  • mx01.ionos.de

Threat-feed evidence

History

Related pages

Pivot from opcheck.app 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: "opcheck.app"})-[: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.