DNS Report: kayak.com

Generated: 2026-08-09T01:30:30-05:00

85/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 IPv4 address(es) detected.
OKIPv6 (AAAA)10/104 IPv6 address(es) detected.
OKName server redundancy20/203 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/202 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5550 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
151.101.65.29
151.101.1.29
151.101.129.29
151.101.193.29
AAAA
2a04:4e42:200::285
2a04:4e42:600::285
2a04:4e42::285
2a04:4e42:400::285
CNAME
MX
10 mxa-009e5101.gslb.pphosted.com.
10 mxb-009e5101.gslb.pphosted.com.
TXT
"docker-verification=38689d18-8405-471e-8c40-0f79329477db"
"stripe-verification=c6ba89f5464c6bfe6ee74b5e0b09d8f67bca1ba9d28ffb7c4d51067344241bbe"
"stripe-verification=0541ddd99d259a6b83784688d152e53689b3c7b62ab2a94c1af4881d8c325667"
"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"
"stripe-verification=6fc06b28a4dce12135cfc982ee67b4f50ecdf24931633f46ed324b939e2d132c"
"stripe-verification=6bb69f06400ffd81c173e80ece77f9cb903fd23583d37619628834425c8e0335"
"anthropic-domain-verification-ssadh3=5QlR12RKrK6yot7p3HMOdRp65"
"apple-domain-verification=y2Igt0Wg-UHV70fp8FwwAY0lXT7yuhgjH7LQCBWWn3k"
"cursor-domain-verification-eerey1=DeRjeVboCFaoJnWyaHOvbIMSV"
"google-site-verification=Ne2Q3MQtiFamXAbgdT27mGRHEP1uH6u0S3hxE8oEIUg"
"google-site-verification=U_6jqgvCpjeeNLZEUNq4kW-yF4KXPrcUUifhpyjlJyQ"
"openai-domain-verification=dv-d02WfHAbY79UMiEztHNqRWoE"
"meltwater_sso_20220613_TRITON-9222"
"atlassian-sending-domain-verification=ee4a120b-7262-4e68-b208-f80801824d31"
"cisco-ci-domain-verification=20500cc295a110d0573b2bdc2093ab09b58730d8f8b963895b6a3133a368cb25"
"_globalsign-domain-verification=p1fktqCHnOA1sE262wg61RlM1M1TddxeBhTTQfKOf-"
"onetrust-domain-verification=91fa27999c43422991e04989039fab48"
"onetrust-domain-verification=1d14495f61ec44ddb84c7e861332306b"
"docusign=401274e0-a81e-4f1e-9379-3d0cb24b0646"
"google-site-verification=EMk53mZVKZzMKDvuxN7Izz5SrGePcS6YL9UU-O5p3Cw"
"mgverify=19b8eb35bd233256b9c7b140bd3739975015fc9e05f760bf919fe5999bd01f0f"
"docusign=d717820e-c9d2-4c7f-8673-c52c7533107e"
"google-site-verification=RkXPYTo0sfAReK2PL4rFLzDvF69y68je5By3mbLYtTI"
"google-site-verification=atbvv5AjB8MGJiGm0kJQicx405wRnH3IXkvhmevhlWs"
"google-site-verification=7Swb0dHV4cMeHcGWVdFuKZYVA6rhwGfDU0scbwz22-c"
"google-site-verification=w24oU5jGpVa8SU1Tznbo4CU8_m_WL6o-yDo0gosSBKY"
"loom-site-verification=cf88c3547adb422198e2effdcbc1822c"
"MS=ms32183003"
"notion-domain-verification=ulKLX952hySY2ToVspcw3nuYFf7ANxdT5aOZR2JpUby"
"airtable-verification=ab2905fae08cc438965f22077ffe0917"
"linear-domain-verification=5h25z4iybzed"
"stripe-verification=87f88a3ae169a524f546ed203d0cb22535e7f0e722a5004814cb828d3d1b342f"
"stripe-verification=a3cd1e5407820ba2f4e9df948ed7871a2303c8488c66b781302677cccd05fde0"
"adobe-idp-site-verification=e3698045df155e7f8cf3b02c00c51c334c988ed32d2c35abf118b5455559d0fb"
"stripe-verification=36a8ae673d2824b08508d33f51fbd183a78e598178cf455b3941b48b1ed1848c"
"teamviewer-sso-verification=f75e9fa8bd764fe28cfd406ac0863d88"
"stripe-verification=7ce9b2bea1ac18f9f8081a240f771d3d36e6177de24d42e48b3c8f7fd5b0ba47"
"jamf-site-verification=0aiX3pBSM2fa-OoV_DbSDg"
"atlassian-domain-verification=B1e9uqeJyMnx/b8qh19lhS2HmbMwe7iMsn3YJUdW1FrMfjT5ZIZIApoe6mckiqGv"
"smartsheet-site-validation=VnoFFHldpjUduBdwSfSrHI1U3dlbsp4P"
"docusign=b94148f1-8103-446e-be3c-c780204b2b73"
"google-site-verification=hR-vohAQxRsRyvUskvHc58Ebvc4yVW7FXc7pyRzIdz4"
"docusign=32480aaa-d033-46e8-8295-f0a0a1a7a5dc"
"openai-domain-verification=08273489"
"onetrust-domain-verification=5785b70b49c94d87b375b04a26cb9a99"
NS
blue.foundationdns.net.
blue.foundationdns.com.
blue.foundationdns.org.
SOA
blue.foundationdns.com. dns.cloudflare.com. 2411547110 10000 2400 604800 1800
CAA
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "amazon.com"
0 issue "letsencrypt.org"
0 issuewild "ssl.com"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 iodef "mailto:ops@kayak.com"
0 issue "globalsign.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "ssl.com"
0 issue "comodoca.com"
0 issue "awstrust.com"
0 issuewild "letsencrypt.org"
0 issuewild "comodoca.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP