Hostname
ef.co.uk
Last fetched
ef.co.uk resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:csc corporate domains, inc as the registrar.
Nutrition Label
Resolution chain
ef.co.uk resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.18.10.139 | 104.18.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 104.18.11.139 | 104.18.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- registrar:csc corporate domains, inc
- Organization
- signum international s.a r.l luxembourg luzern branch
- Contact emails
Subdomains
3 observed subdomains of ef.co.uk.
| Subdomain |
|---|
| bc.ef.co.uk |
| qa.ef.co.uk |
| www.ef.co.uk |
Web-graph footprint
Distinct hostnames that link to or from ef.co.uk in the public web crawl.
385 sites link to this hostname.
283 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
1 SPF mechanism authorising senders for ef.co.uk.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from ef.co.uk.
- IP · 104.18.10.139
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · registrar:csc corporate domains, inc
- Country · CA
- Email · redacted@nominet.uk
- Apex domain · co.uk
- TLD · .uk
- Browse hostnames · ef…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ef.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.