kickbox.com

HTML metadata

Title: Email Address Verification Service | Kickbox
Description: Verify your email list in minutes, or integrate real-time email verification into your app with our API. Over 26 billion emails verified. Get started for free.
Language: en
Generator: Jekyll v4.2.2
Canonical: https://kickbox.com/

Open Graph

url: https://kickbox.com/
title: Email Address Verification Service
locale: en_US
site name: Kickbox
description: Verify your email list in minutes, or integrate real-time email verification into your app with our API. Over 26 billion emails verified. Get started for free.

Technology

CDN: Cloudflare
CMS: Gatsby

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (10)

images.g2crowd.com×11
fonts.googleapis.com×2
assets.calendly.com×1
cdn.firstpromoter.com×1
dc.ads.linkedin.com×1
fonts.gstatic.com×1
js.hsforms.net×1
www.facebook.com×1
www.g2.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

CSC Corporate Domains, Inc.

Created

2014-12-06

Expires

2027-12-06 566 days left

Updated

2022-08-17

Name servers

art.ns.cloudflare.com
roxy.ns.cloudflare.com

DNS records live

NS

art.ns.cloudflare.com
roxy.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

Show 20 TXT records

yahoo-verification-key=oL8qsRGe3XPhERdh8lTneNYRQfV00Cwt9zEB20Qn17g=
zapier-domain-verification-challenge=2c5899b6-5b2d-4b16-894a-61a1bc268b78
ZOOM_verify_2MQGVJnlHIwqK4RQlcipYH
adobe-idp-site-verification=cd8dab640ab786a9457c8757f4188cd682dd687a694d1d9c251e9ef54140a0ec
ahrefs-site-verification_b8b66f19a6ae87b81d03fb8081695c64d66b3d35cd8f895fcbf85e633354146b
anthropic-domain-verification-xa6fya=NLZHQguu7QQcGJtZvoD6nO31f
atlassian-domain-verification=QUsZX4LdPWTYZgx09JhShFot27EJnUl/5CyxXFsiGebXl2QD8Fh3zzfkYZJe42Ic
atlassian-domain-verification=qaVThwiX6U67ZIy0EBDXXb7KGLa5atdF7YrsL4WSLvJUpyd98hNZpPOSjtmscytI
canva-site-verification=gRh3L8CVaSUTZp1G8TQd0Q
cloudhealth=08f90f2e-25ab-4ce5-b2ac-17ccf2cd1b96
docusign=feeb9d14-0ac5-4bd9-9a9b-cdd38a54c895
google-site-verification=EgGWxU6SeBmnBHeFBj-QwFmt_O-Eav430_3vxohF7kw
google-site-verification=LYx5bJ28xnXDxSjgVntSIhRUYsZx_FZW1k9ds1pIhpM
google-site-verification=akSDd7H7qt_iAWW1bALZYFtAc86tTmJLsNmSba_BsAA
google-site-verification=pJlJajn5fuxAAox9Kfa0sl5qLxTMbyrCoiIimt8GsiM
google-site-verification=thYfYz4Rqkmculk1syymGjPrXjFiBejPFqD4ib6SH_w
onetrust-domain-verification=251fdaf5639342249ff4d1b83782cbc3
pendo-domain-verification=75b72a71-aeb8-4fa4-a48b-acab7b003500
stripe-verification=f1dc55fec68a82a87b55c1d1d96e1d927f0508547932e52ee2a2d136c39ba227
twilio-domain-verification=fc7ad3ef8ca88a805bf5f56228b006de

Email authentication strong

SPF

v=spf1 ip4:216.24.224.0/20 include:_spf.google.com include:_spf.freshbooks.com include:amazonses.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

policy: reject (enforced)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAji/rrAdF4fImuyz9n/GwNU99ocgAJeO6jcxXTxPD15kpf9q+88xez9YCcsjX9hni9RjIwefB2LcFd4…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…

selectors probed

Certificate (current)

WE1

from 2026-04-18 to 2026-07-17

Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://kickbox.com/

present

strict-transport-security
x-content-type-options
referrer-policy

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
strict-transport-security: max-age=2592000; includeSubDomains; preload