Hostname

codefirst.co.uk

Last fetched Thu, 02 Jul 2026 04:59:30 GMT

codefirst.co.uk resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in GB. WHOIS lists registrar:123-reg limited t/a 123-reg [tag = 123-reg] as the registrar.

Nutrition Label

Resolution chain

codefirst.co.uk 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
3.9.100.75	3.8.0.0/14	AS16509	AMAZON-02 - Amazon.com, Inc.	GB

WHOIS identity

Registrar: registrar:123-reg limited t/a 123-reg [tag = 123-reg]
Organization: edward burgess
Contact emails: —

Subdomains

1 observed subdomain of codefirst.co.uk.

Subdomain
www.codefirst.co.uk

Web-graph footprint

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

62 sites link to this hostname.

21 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

codefirst-co-uk.mail.protection.outlook.com

SPF policy

1 SPF mechanism authorising senders for codefirst.co.uk.

Mechanism	Target
SPF_INCLUDE	spf.protection.outlook.com

Pivot deeper into the graph from codefirst.co.uk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "codefirst.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.