Hostname

opt.be

Last fetched Tue, 26 May 2026 15:21:27 GMT

opt.be resolves to 1 IPv4 address operated by COGENT-174 - Cogent Communications, LLC in BE. WHOIS lists registrar:gandi sas as the registrar.

Nutrition Label

Resolution chain

opt.be 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
154.52.48.47	154.48.0.0/12	AS174	COGENT-174 - Cogent Communications, LLC	BE

WHOIS identity

Registrar: registrar:gandi sas
Organization: —
Contact emails: —

Subdomains

28 observed subdomains of opt.be.

Subdomain
bienvenue.opt.be
www2.opt.be
www.opt.be
ww.opt.be
test.opt.be
serverweb.opt.be
relay.opt.be
pro.opt.be
pdf2.opt.be
pdf.opt.be
nl.opt.be
marketing.opt.be
mail.opt.be
image.opt.be
filesmananger.opt.be
filesmanager.opt.be
es.opt.be
director1.opt.be
detijdl.opt.be
comwww.opt.be

Showing 20 of 28. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from opt.be in the public web crawl.

261 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for opt.be.

Mechanism	Target
SPF_A	opt.be
SPF_INCLUDE	servers.mcsv.net
SPF_IP	213.181.52.96
SPF_IP	213.246.198.130
SPF_IP	213.246.198.132
SPF_IP	23.90.119.222
SPF_IP	23.90.122.208
SPF_MX	opt.be

Pivot deeper into the graph from opt.be.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "opt.be"})-[: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.