Hostname

kayak.dk

Last fetched Thu, 30 Jul 2026 00:39:18 GMT

kayak.dk resolves to 4 IPv4 addresses operated by FASTLY - Fastly, Inc. in CA. WHOIS lists registrar:101domain grs limited as the registrar.

Nutrition Label

Resolution chain

kayak.dk resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
151.101.1.29	151.101.0.0/22	AS54113	FASTLY - Fastly, Inc.	CA
151.101.129.29	151.101.128.0/22	AS54113	FASTLY - Fastly, Inc.	CA
151.101.193.29	151.101.192.0/22	AS54113	FASTLY - Fastly, Inc.	CA
151.101.65.29	151.101.64.0/22	AS54113	FASTLY - Fastly, Inc.	CA

WHOIS identity

Registrar: registrar:101domain grs limited
Organization: kayak software corporation
Contact emails: —

Subdomains

2 observed subdomains of kayak.dk.

Subdomain
m.kayak.dk
www.kayak.dk

Web-graph footprint

Distinct hostnames that link to or from kayak.dk in the public web crawl.

182 sites link to this hostname.

153 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for kayak.dk.

Mechanism	Target
SPF_INCLUDE	spf.kayak.com

Pivot deeper into the graph from kayak.dk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "kayak.dk"})-[: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.