Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kayak.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 19:19:06 UTC · ↺ Refresh
MX Hostnames
- mxb-009e5101.gslb.pphosted.com
- mxa-009e5101.gslb.pphosted.com
MX Priorities
- mxb-009e5101.gslb.pphosted.com: 10
- mxa-009e5101.gslb.pphosted.com: 10
A / AAAA Records
- 151.101.193.29 (no PTR)
- 151.101.65.29 (no PTR)
- 151.101.129.29 (no PTR)
- 151.101.1.29 (no PTR)
- 2a04:4e42:400::285 (no PTR)
- 2a04:4e42:600::285 (no PTR)
- 2a04:4e42::285 (no PTR)
- 2a04:4e42:200::285 (no PTR)
Mail Server IPs
- 66.159.239.252 ↩ mx0b-009e5101.pphosted.com
- 66.159.248.27 ↩ mx0a-009e5101.pphosted.com
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2399830255 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399830255
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.com
blue.foundationdns.net
blue.foundationdns.org
SPF Record
✓ Soft Fail (~all)
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
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
42 records- stripe-verification=87f88a3ae169a524f546ed203d0cb22535e7f0e722a5004814cb828d3d1b342f
- stripe-verification=36a8ae673d2824b08508d33f51fbd183a78e598178cf455b3941b48b1ed1848c
- onetrust-domain-verification=1d14495f61ec44ddb84c7e861332306b
- notion-domain-verification=ulKLX952hySY2ToVspcw3nuYFf7ANxdT5aOZR2JpUby
- stripe-verification=6fc06b28a4dce12135cfc982ee67b4f50ecdf24931633f46ed324b939e2d132c
- SPFv=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
- google-site-verification=hR-vohAQxRsRyvUskvHc58Ebvc4yVW7FXc7pyRzIdz4
- google-site-verification=7Swb0dHV4cMeHcGWVdFuKZYVA6rhwGfDU0scbwz22-c
- google-site-verification=atbvv5AjB8MGJiGm0kJQicx405wRnH3IXkvhmevhlWs
- google-site-verification=Ne2Q3MQtiFamXAbgdT27mGRHEP1uH6u0S3hxE8oEIUg
- apple-domain-verification=y2Igt0Wg-UHV70fp8FwwAY0lXT7yuhgjH7LQCBWWn3k
- adobe-idp-site-verification=e3698045df155e7f8cf3b02c00c51c334c988ed32d2c35abf118b5455559d0fb
- atlassian-domain-verification=B1e9uqeJyMnx/b8qh19lhS2HmbMwe7iMsn3YJUdW1FrMfjT5ZIZIApoe6mckiqGv
- cisco-ci-domain-verification=20500cc295a110d0573b2bdc2093ab09b58730d8f8b963895b6a3133a368cb25
- _globalsign-domain-verification=p1fktqCHnOA1sE262wg61RlM1M1TddxeBhTTQfKOf-
- docusign=d717820e-c9d2-4c7f-8673-c52c7533107e
- stripe-verification=6bb69f06400ffd81c173e80ece77f9cb903fd23583d37619628834425c8e0335
- loom-site-verification=cf88c3547adb422198e2effdcbc1822c
- atlassian-sending-domain-verification=ee4a120b-7262-4e68-b208-f80801824d31
- onetrust-domain-verification=5785b70b49c94d87b375b04a26cb9a99
- stripe-verification=0541ddd99d259a6b83784688d152e53689b3c7b62ab2a94c1af4881d8c325667
- cursor-domain-verification-eerey1=DeRjeVboCFaoJnWyaHOvbIMSV
- onetrust-domain-verification=91fa27999c43422991e04989039fab48
- MS=ms32183003
- openai-domain-verification=dv-d02WfHAbY79UMiEztHNqRWoE
- jamf-site-verification=0aiX3pBSM2fa-OoV_DbSDg
- teamviewer-sso-verification=f75e9fa8bd764fe28cfd406ac0863d88
- stripe-verification=c6ba89f5464c6bfe6ee74b5e0b09d8f67bca1ba9d28ffb7c4d51067344241bbe
- docker-verification=38689d18-8405-471e-8c40-0f79329477db
- google-site-verification=U_6jqgvCpjeeNLZEUNq4kW-yF4KXPrcUUifhpyjlJyQ
- stripe-verification=a3cd1e5407820ba2f4e9df948ed7871a2303c8488c66b781302677cccd05fde0
- google-site-verification=w24oU5jGpVa8SU1Tznbo4CU8_m_WL6o-yDo0gosSBKY
- linear-domain-verification=5h25z4iybzed
- google-site-verification=EMk53mZVKZzMKDvuxN7Izz5SrGePcS6YL9UU-O5p3Cw
- airtable-verification=ab2905fae08cc438965f22077ffe0917
- google-site-verification=RkXPYTo0sfAReK2PL4rFLzDvF69y68je5By3mbLYtTI
- meltwater_sso_20220613_TRITON-9222
- docusign=401274e0-a81e-4f1e-9379-3d0cb24b0646
- mgverify=19b8eb35bd233256b9c7b140bd3739975015fc9e05f760bf919fe5999bd01f0f
- stripe-verification=7ce9b2bea1ac18f9f8081a240f771d3d36e6177de24d42e48b3c8f7fd5b0ba47
- docusign=b94148f1-8103-446e-be3c-c780204b2b73
- smartsheet-site-validation=VnoFFHldpjUduBdwSfSrHI1U3dlbsp4P
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