Domain Intelligence Report

kayak.com

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

7
DNS record types
78d
SSL cert remaining
51
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for kayak.com.

A 4 records
  • 151.101.1.29
  • 151.101.193.29
  • 151.101.65.29
  • 151.101.129.29
AAAA 4 records
  • 2a04:4e42:600::285
  • 2a04:4e42::285
  • 2a04:4e42:400::285
  • 2a04:4e42:200::285
MX 2 records
  • 10 mxb-009e5101.gslb.pphosted.com.
  • 10 mxa-009e5101.gslb.pphosted.com.
TXT 45 records
  • "stripe-verification=6fc06b28a4dce12135cfc982ee67b4f50ecdf24931633f46ed324b939e2d132c"
  • "smartsheet-site-validation=VnoFFHldpjUduBdwSfSrHI1U3dlbsp4P"
  • "mgverify=19b8eb35bd233256b9c7b140bd3739975015fc9e05f760bf919fe5999bd01f0f"
  • "google-site-verification=hR-vohAQxRsRyvUskvHc58Ebvc4yVW7FXc7pyRzIdz4"
  • "linear-domain-verification=5h25z4iybzed"
  • "stripe-verification=c6ba89f5464c6bfe6ee74b5e0b09d8f67bca1ba9d28ffb7c4d51067344241bbe"
  • "docker-verification=38689d18-8405-471e-8c40-0f79329477db"
  • "google-site-verification=U_6jqgvCpjeeNLZEUNq4kW-yF4KXPrcUUifhpyjlJyQ"
  • "onetrust-domain-verification=5785b70b49c94d87b375b04a26cb9a99"
  • "onetrust-domain-verification=91fa27999c43422991e04989039fab48"
  • "openai-domain-verification=dv-d02WfHAbY79UMiEztHNqRWoE"
  • "MS=ms32183003"
  • "openai-domain-verification=08273489"
  • "adobe-idp-site-verification=e3698045df155e7f8cf3b02c00c51c334c988ed32d2c35abf118b5455559d0fb"
  • "v=spf1 include:_spf.psm.knowbe4.com include:mail.zendesk.com include:_spf.presscloud.com include:helpscoutemail.com include:kayak.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
  • "teamviewer-sso-verification=f75e9fa8bd764fe28cfd406ac0863d88"
  • "loom-site-verification=cf88c3547adb422198e2effdcbc1822c"
  • "meltwater_sso_20220613_TRITON-9222"
  • "notion-domain-verification=ulKLX952hySY2ToVspcw3nuYFf7ANxdT5aOZR2JpUby"
  • "onetrust-domain-verification=1d14495f61ec44ddb84c7e861332306b"
  • "jamf-site-verification=0aiX3pBSM2fa-OoV_DbSDg"
  • "google-site-verification=w24oU5jGpVa8SU1Tznbo4CU8_m_WL6o-yDo0gosSBKY"
  • "google-site-verification=atbvv5AjB8MGJiGm0kJQicx405wRnH3IXkvhmevhlWs"
  • "atlassian-domain-verification=B1e9uqeJyMnx/b8qh19lhS2HmbMwe7iMsn3YJUdW1FrMfjT5ZIZIApoe6mckiqGv"
  • "cursor-domain-verification-eerey1=DeRjeVboCFaoJnWyaHOvbIMSV"
  • "google-site-verification=RkXPYTo0sfAReK2PL4rFLzDvF69y68je5By3mbLYtTI"
  • "google-site-verification=7Swb0dHV4cMeHcGWVdFuKZYVA6rhwGfDU0scbwz22-c"
  • "anthropic-domain-verification-ssadh3=5QlR12RKrK6yot7p3HMOdRp65"
  • "docusign=b94148f1-8103-446e-be3c-c780204b2b73"
  • "google-site-verification=Ne2Q3MQtiFamXAbgdT27mGRHEP1uH6u0S3hxE8oEIUg"
  • "docusign=d717820e-c9d2-4c7f-8673-c52c7533107e"
  • "stripe-verification=a3cd1e5407820ba2f4e9df948ed7871a2303c8488c66b781302677cccd05fde0"
  • "stripe-verification=36a8ae673d2824b08508d33f51fbd183a78e598178cf455b3941b48b1ed1848c"
  • "stripe-verification=6bb69f06400ffd81c173e80ece77f9cb903fd23583d37619628834425c8e0335"
  • "_globalsign-domain-verification=p1fktqCHnOA1sE262wg61RlM1M1TddxeBhTTQfKOf-"
  • "stripe-verification=0541ddd99d259a6b83784688d152e53689b3c7b62ab2a94c1af4881d8c325667"
  • "docusign=401274e0-a81e-4f1e-9379-3d0cb24b0646"
  • "apple-domain-verification=y2Igt0Wg-UHV70fp8FwwAY0lXT7yuhgjH7LQCBWWn3k"
  • "cisco-ci-domain-verification=20500cc295a110d0573b2bdc2093ab09b58730d8f8b963895b6a3133a368cb25"
  • "stripe-verification=87f88a3ae169a524f546ed203d0cb22535e7f0e722a5004814cb828d3d1b342f"
  • "atlassian-sending-domain-verification=ee4a120b-7262-4e68-b208-f80801824d31"
  • "airtable-verification=ab2905fae08cc438965f22077ffe0917"
  • "google-site-verification=EMk53mZVKZzMKDvuxN7Izz5SrGePcS6YL9UU-O5p3Cw"
  • "docusign=32480aaa-d033-46e8-8295-f0a0a1a7a5dc"
  • "stripe-verification=7ce9b2bea1ac18f9f8081a240f771d3d36e6177de24d42e48b3c8f7fd5b0ba47"
NS 3 records
  • blue.foundationdns.com.
  • blue.foundationdns.net.
  • blue.foundationdns.org.
CAA 14 records
  • 0 issue "awstrust.com"
  • 0 issue "comodoca.com"
  • 0 issue "digicert.com; cansignhttpexchanges=yes"
  • 0 issue "globalsign.com"
  • 0 issue "letsencrypt.org"
  • 0 issue "pki.goog; cansignhttpexchanges=yes"
  • 0 issue "ssl.com"
  • 0 issuewild "amazon.com"
  • 0 issuewild "comodoca.com"
  • 0 issuewild "digicert.com; cansignhttpexchanges=yes"
  • 0 issuewild "letsencrypt.org"
  • 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  • 0 issuewild "ssl.com"
  • 0 iodef "mailto:ops@kayak.com"
SOA 1 record
  • blue.foundationdns.com. dns.cloudflare.com. 2403090116 10000 2400 604800 1800
Registration

WHOIS / RDAP

Registration data for kayak.com via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via rdap.org
Registrar
101domain GRS Limited
Created
1995-04-13T04:00:00Z
Updated
2025-01-31T22:00:09Z
Expires
2027-05-02T03:59:59Z
Handle
543_DOMAIN_COM-VRSN
Nameservers
BLUE.FOUNDATIONDNS.COMBLUE.FOUNDATIONDNS.NETBLUE.FOUNDATIONDNS.ORG
Status
client delete prohibitedclient transfer prohibitedserver delete prohibitedserver transfer prohibitedserver update prohibited
TLS

SSL Certificate

Live TLS handshake against kayak.com. No third-party scanner.

ssl 78 days remaining
Issuer
CN=R13,O=Let's Encrypt,C=US
Subject
CN=kayak.com
Valid from
2026-05-01T17:43:14+00:00
Valid to
2026-07-30T17:43:13+00:00
Serial
566695317966120547781024500173722517836885
SANs (1)
kayak.com
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh status 429 · certspotter rate-limited · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 51 found
crt.sh status 429 certspotter rate-limited hackertarget limited: API count exceeded - Increase Quota with Membership dns-brute ok +51 (wordlist 54)
  • admin.kayak.com
  • administrator.kayak.com
  • api.kayak.com
  • app.kayak.com
  • apps.kayak.com
  • assets.kayak.com
  • autoconfig.kayak.com
  • autodiscover.kayak.com
  • beta.kayak.com
  • blog.kayak.com
  • cdn.kayak.com
  • cpanel.kayak.com
  • demo.kayak.com
  • dev.kayak.com
  • dns1.kayak.com
  • dns2.kayak.com
  • docs.kayak.com
  • ftp.kayak.com
  • help.kayak.com
  • imap.kayak.com
  • m.kayak.com
  • mail.kayak.com
  • mail2.kayak.com
  • media.kayak.com
  • mobile.kayak.com
  • mx.kayak.com
  • mx1.kayak.com
  • mx2.kayak.com
  • my.kayak.com
  • new.kayak.com
  • ns1.kayak.com
  • ns2.kayak.com
  • ns3.kayak.com
  • old.kayak.com
  • pop.kayak.com
  • pop3.kayak.com
  • portal.kayak.com
  • remote.kayak.com
  • secure.kayak.com
  • shop.kayak.com
  • smtp.kayak.com
  • stage.kayak.com
  • static.kayak.com
  • status.kayak.com
  • store.kayak.com
  • support.kayak.com
  • vpn.kayak.com
  • webdisk.kayak.com
  • webmail.kayak.com
  • whm.kayak.com
  • www.kayak.com
Email

Email Security Posture

SPF and DMARC presence and records for kayak.com. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • v=spf1 include:_spf.psm.knowbe4.com include:mail.zendesk.com include:_spf.presscloud.com include:helpscoutemail.com include:kayak.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
DMARC present
  • v=DMARC1; p=reject; pct=100; adkim=r; aspf=r; rua=mailto:dmarc_agg@vali.email
DKIM selector required

DKIM requires selector; not auto-discoverable

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