zerobounce.net

HTML metadata

Title

Email Validation Tools & Email List Cleaning | ZeroBounce

Description

Optimize your email strategy with ZeroBounce. We offer top-tier email validation, list cleaning, and address verification to reduce spam traps and enhance deliverability.

Language

en

Canonical

https://www.zerobounce.net/

Translations

en

Open Graph

url: https://www.zerobounce.net/
title: Email Validation Tools & Email List Cleaning | ZeroBounce
description: Optimize your email strategy with ZeroBounce.

Technology

CDN: Cloudflare
CMS: Next.js

Analytics

Google Analytics
Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (12)

accounts.google.com×1
bat.bing.com×1
cdn.lgrckt-in.com×1
fonts.googleapis.com×1
fonts.gstatic.com×1
global.oktacdn.com×1
js.hs-scripts.com×1
static.zdassets.com×1
try.abtasty.com×1
www.google-analytics.com×1
www.google.com×1
www.googletagmanager.com×1

Social

Contact

Email

support@zerobounce.net

Phone

Registration

Registrar

Cloudflare, Inc.

Created

2017-01-24

Expires

2032-09-19 2314 days left

Updated

2024-04-15

Name servers

ns1.zerobounce.net
ns2.zerobounce.net
ns3.zerobounce.net
ns4.zerobounce.net
ns5.zerobounce.net

DNS records live

NS

ns1.zerobounce.net
ns2.zerobounce.net
ns3.zerobounce.net
ns4.zerobounce.net
ns5.zerobounce.net

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

Show 18 TXT records

google-site-verification=0s3oHJ-VkMgIVc_6M-uru29bpYuKGGVDX_BK3GlMRoY
detectify-verification=e2549fbdbdc1078bf82da0b39b23e46f
globalsign-domain-verification=shFP3Oi6NlzDa4YsSFSZvMoq94tEXqyYZBiTTVM7OQ
openai-domain-verification=dv-D3HKpeYK95G5aCK1Jb9cRzpl
yahoo-verification-key=5Wn72W5LSx8Hc7ChNYAQJGJXUE8vPr7SozCuB1IpvGM=
stripe-verification=df820ce0021168b8dc7e2aba21e2eb2eb4f2087e5c3108ba6c975d4e3ee3046b
google-site-verification=_8wh6P3k6iOFnIO0doz4gWUdASoX26DbMYjeQzdvsjU
apple-domain-verification=0yXRDTC7bN4CiylEb8lZxD8H6cbYvH3iB6kUrQ5-Su4
stripe-verification=C7EDE5F1A697CF99CF572D456B9EBA174B6435A400FBDCBA829EE6C7A144D0B4
MS=D28784BFB29485A5F9C4F6F03659D97D0DBE78B6
yahoo-verification-key=Fgto2MLYywrnlhlTy9TeC2MQ3rWXgmymcnDVXrxi7NM=
D329FA9F6E
yahoo-verification-key=6NFoFe4XGAve1qBRzHpT8aY0fATQbLhL813M7N2dhlY=
hubspot-developer-verification=MjZlZWM5MTYtMGYwYi00YWU5LWJjMDItYWI1MjY0MDFmYjU4
0ed1fe018a0ecec728c21d463882addbd449a105c4
sd39dldsmrhd6jm6z1f42z8wxg6xw05b
atlassian-domain-verification=BkIhDft6wfD0QHOQAza9l/qRDDeMC7HVajaF0111aTrgQQC8/tRtB1DITQhnjQGr
google-site-verification=dwgs4Bw1VV5ExVjJ4Q5yZJRF1I4qMLh1tDDO2rkfvkY

Email authentication strong

SPF

v=spf1 ip4:185.25.156.0/24 include:_spf.google.com include:mail.zendesk.com include:mailokta.zerobounce.net include:spf.tapfiliate.com include:spf.mandrillapp.com include:47424004.spf05.hubspotemail.net -all

strict (-all)

DMARC

v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc_aggregate_analyser+28ba3fa9c5693c1ba912bc21d83a049b@zerobounce.net!5k; ruf=mailto:dmarc_forensics_analyser+28ba3fa9c5693c1ba912bc21d83a049b@zerobounce.net!5k; rf=afrf; pct=100; aspf=r; adkim=r; ri=86400; fo=d;

policy: reject (enforced) · sp=reject

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
smtpapi: k=rsa;t=s;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76yo…

selectors probed

Certificate (current)

GlobalSign Extended Validation CA - SHA256 - G3

from 2025-06-13 to 2026-06-13

Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.zerobounce.net/

present

strict-transport-security
content-security-policy
content-security-policy-report-only
x-content-type-options
referrer-policy
permissions-policy

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing frame protection

Header values

referrer-policy: strict-origin-when-cross-origin
permissions-policy: sync-xhr=(self), identity-credentials-get=(self "https://accounts.google.com")
x-content-type-options: nosniff
content-security-policy: default-src 'self'; base-uri 'self'; frame-ancestors 'self' https://www.zerobounce.net https://impact.com https://*.impact.com; form-action 'self' https://forms.hsforms.com; object-src 'none'; script-src 'self' 'unsafe-inline' 'unsafe-eval' blob: data: https://google.com https://try.abtasty.com *.abtasty.com https://www.zerobounce.net https://ingest.promptwatch.com https://extension-api.zerobounce.net https://gtm.zerobounce.net https://www.googletagmanager.com https://www.googleadservices.com https://connect.facebook.net https://www.google-analytics.com https://googleads.g.doubleclick.net https://bat.bing.net https://bat.bing.com https://static.hsappstatic.net https://accounts.google.com https://apis.google.com https://www.google.com https://www.gstatic.com https://cdn.lgrckt-in.com https://global.oktacdn.com https://static.zdassets.com https://js.hs-scripts.com https://js-na1.hs-scripts.com https://js.hscollectedforms.net https://js-na1.hscollectedforms.net https://*.clarity.ms https:
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-security-policy-report-only: default-src 'self'; base-uri 'self'; frame-ancestors 'self' https://www.zerobounce.net https://impact.com https://*.impact.com; form-action 'self' https://forms.hsforms.com; object-src 'none'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://google.com https://try.abtasty.com *.abtasty.com https://www.zerobounce.net https://ingest.promptwatch.com https://extension-api.zerobounce.net https://gtm.zerobounce.net https://www.googletagmanager.com https://www.googleadservices.com https://connect.facebook.net https://www.google-analytics.com https://googleads.g.doubleclick.net https://bat.bing.net https://bat.bing.com https://static.hsappstatic.net https://accounts.google.com https://apis.google.com https://www.google.com https://www.gstatic.com https://cdn.lgrckt-in.com https://global.oktacdn.com https://static.zdassets.com https://js.hs-scripts.com https://js-na1.hs-scripts.com https://js.hscollectedforms.net https://js-na1.hscollectedforms.net https://*.clarity.ms https://www.youtub