Hostname

45b.co.uk

Last fetched Wed, 08 Jul 2026 22:45:47 GMT

45b.co.uk has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:fasthosts internet ltd [tag = livedomains] as the registrar.

Nutrition Label

Resolution chain

45b.co.uk has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar: registrar:fasthosts internet ltd [tag = livedomains]
Organization: craig smith
Contact emails: —

Subdomains

5 observed subdomains of 45b.co.uk.

Subdomain
aspentherapies.45b.co.uk
heriotsav.45b.co.uk
wildcard.45b.co.uk
www.45b.co.uk

Showing 4 of 5. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from 45b.co.uk in the public web crawl.

17 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

mx.stackmail.com

SPF policy

3 SPF mechanisms authorising senders for 45b.co.uk.

Mechanism	Target
SPF_A	45b.co.uk
SPF_INCLUDE	spf.stackmail.com
SPF_MX	45b.co.uk

Pivot deeper into the graph from 45b.co.uk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "45b.co.uk"})-[: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.