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Hostname

restrain.io

Last fetched

restrain.io resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:83 as the registrar.

Nutrition Label

WHISPER CANON · restrain.ioRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/restrain.io

Resolution chain

restrain.io resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
162.159.136.54162.159.235.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
162.159.137.54162.159.235.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:83
Organization
1&1 internet
Contact emails
—

Subdomains

8 observed subdomains of restrain.io.

Subdomain
email.restrain.io
go.restrain.io
licenses.restrain.io
www.restrain.io

Showing 4 of 8. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from restrain.io in the public web crawl.

41 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for restrain.io.

MechanismTarget
SPF_Arestrain.io
SPF_INCLUDE_netblocks.mimecast.com
SPF_INCLUDE_spf.elasticemail.com
SPF_INCLUDEemsd1.com
SPF_INCLUDEpipcloud.co.uk
SPF_INCLUDEspf.protection.outlook.com
SPF_MXrestrain.io

Related pages

Pivot deeper into the graph from restrain.io.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "restrain.io"})-[: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.