Hostname
harlequin.com
Last fetched
harlequin.com is a registered hostname under the .com top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.
Nutrition Label
Resolution chain
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WHOIS identity
- Registrar
- iana:292
- Organization
- harpercollins publishers l.l.c.
- Contact emails
Subdomains
58 observed subdomains of harlequin.com.
Showing 25 of 58. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from harlequin.com in the public web crawl.
1,918 sites link to this hostname.
113 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
14 SPF mechanisms authorising senders for harlequin.com.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | amazonses.com |
| SPF_INCLUDE | aspmx.sailthru.com |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf-00596a01.pphosted.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 199.201.3.20 |
| SPF_IP | 199.201.3.51 |
| SPF_IP | 207.107.153.114 |
| SPF_IP | 24.137.211.1 |
| SPF_IP | 24.137.211.16 |
| SPF_IP | 24.137.211.17 |
| SPF_IP | 38.113.187.1 |
| SPF_IP | 38.113.187.16 |
| SPF_IP | 38.113.187.17 |
Related pages
Pivot deeper into the graph from harlequin.com.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "harlequin.com"})-[: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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.