Hostname

cyclum.net

Last fetched Mon, 29 Jun 2026 11:01:42 GMT

cyclum.net resolves to 1 IPv4 address operated by AS212954 in PT. WHOIS lists iana:303 as the registrar.

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
5.253.128.102	5.253.128.0/24	AS212954	—	PT

WHOIS identity

Registrar

iana:303

Organization

fritz albers

Contact emails

Subdomains

1 observed subdomain of cyclum.net.

Subdomain
www.cyclum.net

Web-graph footprint

Distinct hostnames that link to or from cyclum.net in the public web crawl.

25 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

s102.vla.pt

SPF policy

4 SPF mechanisms authorising senders for cyclum.net.

Mechanism	Target
SPF_A	cyclum.net
SPF_IP	5.253.128.0/22
SPF_IP	5.253.128.102
SPF_MX	cyclum.net

Pivot deeper into the graph from cyclum.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cyclum.net"})-[: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.