Hostname

covermark.co.jp

Last fetched Sun, 19 Jul 2026 10:59:54 GMT

covermark.co.jp appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

Resolution chain

covermark.co.jp has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar: —
Organization: covermark corporation
Contact emails: —

Subdomains

16 observed subdomains of covermark.co.jp.

Subdomain
a8cv.covermark.co.jp
adebis.covermark.co.jp
dcs400-prd.covermark.co.jp
dcs400-stg.covermark.co.jp
info.covermark.co.jp
om.covermark.co.jp
sgtm.covermark.co.jp
spf01.covermark.co.jp
spf02.covermark.co.jp
www.covermark.co.jp
www2.covermark.co.jp

Showing 11 of 16. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from covermark.co.jp in the public web crawl.

371 sites link to this hostname.

46 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

vgmailsv01.pias.co.jp

SPF policy

4 SPF mechanisms authorising senders for covermark.co.jp.

Mechanism	Target
SPF_INCLUDE	spf.ecbeing.co.jp
SPF_INCLUDE	spf.repica.jp
SPF_INCLUDE	spf01.covermark.co.jp
SPF_INCLUDE	spf02.covermark.co.jp

Pivot deeper into the graph from covermark.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "covermark.co.jp"})-[: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.