Hostname

u.sb

Last fetched Sat, 20 Jun 2026 11:34:21 GMT

u.sb is a registered hostname under the .sb 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:3968
Organization: redacted | eu registrar
Contact emails: —

Subdomains

6 observed subdomains of u.sb.

Subdomain
i.u.sb
s.u.sb
search.u.sb
stat.u.sb
wallpaper.u.sb
www.u.sb

Web-graph footprint

Distinct hostnames that link to or from u.sb in the public web crawl.

100 sites link to this hostname.

119 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

1 SPF mechanism authorising senders for u.sb.

Mechanism	Target
SPF_INCLUDE	spf.mtasv.net

Pivot deeper into the graph from u.sb.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "u.sb"})-[: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.