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Hostname

ctbs.info

Last fetched

ctbs.info resolves to 1 IPv4 address operated by AS198610 in RU. WHOIS lists iana:303 as the registrar.

Nutrition Label

WHISPER CANON · ctbs.infoRouting diversity1.5/10Peering density4.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/ctbs.info

Resolution chain

ctbs.info resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
213.139.209.158213.139.209.0/24AS198610RU

WHOIS identity

Registrar
iana:303
Organization
ano ctbs
Contact emails

Subdomains

1 observed subdomain of ctbs.info.

Subdomain
www.ctbs.info

Web-graph footprint

Distinct hostnames that link to or from ctbs.info in the public web crawl.

156 sites link to this hostname.

46 sites linked to from this hostname.

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for ctbs.info.

MechanismTarget
SPF_INCLUDE_spf.yandex.net
SPF_INCLUDEspf.unisender.com
SPF_IP213.139.209.158

Related pages

Pivot deeper into the graph from ctbs.info.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ctbs.info"})-[: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.