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Hostname

us.workbooks.com

Last fetched

us.workbooks.com resolves to 37.221.223.30, announced in 37.221.216.0/21 by SPOTLER - Spotler Nederland B.V. in GB. us.workbooks.com 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 · us.workbooks.comRouting diversity1.5/10Peering density5.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.2/10canon.whisper.security/host/us.workbooks.com

Resolution chain

Attribution

spotler nederland

ORIGIN_AS

Mail and authentication

Nameservers

  • dns01a-ext.workbooks.com
  • dns01b-ext.workbooks.com
  • dns01c-ext.workbooks.com
  • a.root-servers.net
  • b.root-servers.net
  • c.root-servers.net
  • d.root-servers.net
  • e.root-servers.net
  • f.root-servers.net
  • g.root-servers.net
  • h.root-servers.net
  • i.root-servers.net
  • j.root-servers.net
  • k.root-servers.net
  • l.root-servers.net
  • m.root-servers.net

MX records

  • bounces.gatormail.co.uk

SPF policy

  • include: gatormail.co.uk

Threat-feed evidence

History

Related pages

Pivot from us.workbooks.com 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: "us.workbooks.com"})-[: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.