kayak.dk DNS records

🖥️ Nameservers3 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
blue.foundationdns.com	108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801	blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.net	108.162.198.31 162.159.60.31 172.64.40.31 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1f 2a06:98c1:56::ac40:281f	blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.org	108.162.198.61 162.159.60.61 172.64.40.61 2606:4700:57::6ca2:c63d 2803:f800:52::a29f:3c3d 2a06:98c1:56::ac40:283d	blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
151.101.1.29	3600s	—	AS54113	Fastly, Inc.	151.101.0.0/16	🇺🇸 United States	—
151.101.129.29	3600s	—	AS54113	Fastly, Inc.	151.101.0.0/16	🇺🇸 United States	—
151.101.193.29	3600s	—	AS54113	Fastly, Inc.	151.101.0.0/16	🇺🇸 United States	—
151.101.65.29	3600s	—	AS54113	Fastly, Inc.	151.101.0.0/16	🇺🇸 United States	—

📧 MX Records5 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 64.233.164.26	lu-in-f27.1e100.net lu-in-x1b.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)4 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a04:4e42:200::285	3600s	—	AS54113	Fastly, Inc.	2a04:4e42:0:0:0:0:0:0/32	🇺🇸 United States	—
2a04:4e42:400::285	3600s	—	AS54113	Fastly, Inc.	2a04:4e42:0:0:0:0:0:0/32	🇺🇸 United States	—
2a04:4e42:600::285	3600s	—	AS54113	Fastly, Inc.	2a04:4e42:0:0:0:0:0:0/32	🇺🇸 United States	—
2a04:4e42::285	3600s	—	AS54113	Fastly, Inc.	2a04:4e42:0:0:0:0:0:0/32	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 233ms

TXT Record
v=spf1 include:spf.kayak.com ~all

✉️ SPF

Policy	Record (kayak.dk)
~all (soft fail)	v=spf1 include:spf.kayak.com ~all

📨 DMARC

Policy	Record (_dmarc.kayak.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email,mailto:dmarc@kayak.com

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC9061ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2411109438
Primary NS (MNAME)	blue.foundationdns.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

31ms

MX

30ms

AAAA

31ms

TXT

233ms

CAA

31ms

HTTPS

37ms

TLSA

298ms

SOA

0ms

MTA-STS

50ms

DNSSEC

9061ms

SRV

61ms

Total

10836ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-04 05:42:43	10836ms	3 NS 4 A 5 MX	🔓 Insecure	View
2026-07-06 20:47:10	18612ms	3 NS 4 A 5 MX	🔓 Insecure	View
2026-06-28 12:22:00	3647ms	3 NS 4 A 5 MX	🔓 Insecure	View
2026-06-27 02:57:58	1425ms	3 NS 4 A 5 MX	🔓 Insecure	View
2026-06-21 03:32:10	2192ms	3 NS 4 A 5 MX	🔓 Insecure	View
2026-06-18 05:09:37	1364ms	3 NS 4 A 5 MX	🔓 Insecure	View