LinkedIn Tag

customer.io

Oct 26th 2026 12:45 AM

1API GmbH

unsigned

Yes

Nov 26th 2025 01:01 PM

Customer.io appears to be a domain used for customer relationship management and marketing automation. It's a well-established domain with a good reputation, but caution is advised due to its unsigned DNSSEC status, which may indicate security risks.

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WHOIS Information
Registrar 1API GmbH
Registration: October 26th, 2011
Expires: October 26th, 2026
Updated: November 26th, 2025
Nameservers
ns-1181.awsdns-19.org. 205.251.196.157
ns-1893.awsdns-44.co.uk. 205.251.199.101
ns-499.awsdns-62.com. 205.251.193.243
ns-618.awsdns-13.net. 205.251.194.106
Meta Tags
viewport
width=device-width, initial-scale=1
next-size-adjust No value found
theme-color
#0B353B
description
Explore Customer.io, the data-driven platform for personalized customer journeys across all channels, fueled by first-party data.
application-name
Customer.io Marketing Website
author
customer.io
author
customer.io
generator
Next.js
referrer
strict-origin
creator
customer.io
publisher
customer.io
robots
index, follow
googlebot
index, follow, max-video-preview:-1, max-image-preview:large, max-snippet:-1
category
technology
sentry-trace
1d755d91085acca186507d26e6d792d1-b9d91c5e8bd3cc4e-1
baggage
sentry-environment=vercel-production,sentry-release=09a822c78206e752e17b2680e87444040ae8ebd0,sentry-public_key=002f6ca5c0ef09fbfca1916b4b8d16b6,sentry-trace_id=1d755d91085acca186507d26e6d792d1,sentry-org_id=4509764547641344,sentry-transaction=GET%20%2F,sentry-sampled=true,sentry-sample_rand=0.3135574091039921,sentry-sample_rate=1
image_src
https://cdn.sanity.io/images/onirtmj2/production/10390db7c2394eae65523bbaafced08666b75189-1200x630.png?w=1200&h=628&fit=crop&auto=format
format-detection
telephone=no, address=no, email=no
og:title
Customer.io Platform: Automation, Data, Content Creation
og:description
Explore Customer.io, the data-driven platform for personalized customer journeys across all channels, fueled by first-party data.
og:url
https://customer.io
og:site_name
customer.io
og:locale
en_US
og:image
https://cdn.sanity.io/images/onirtmj2/production/10390db7c2394eae65523bbaafced08666b75189-1200x630.png?rect=0,1,1200,628&w=1200&h=628&fit=crop&auto=format
og:type
website
twitter:card
summary_large_image
twitter:title
Customer.io Platform: Automation, Data, Content Creation
twitter:description
Explore Customer.io, the data-driven platform for personalized customer journeys across all channels, fueled by first-party data.
twitter:image
https://cdn.sanity.io/images/onirtmj2/production/10390db7c2394eae65523bbaafced08666b75189-1200x630.png?rect=0,1,1200,628&w=1200&h=628&fit=crop&auto=format
al:web:url
https://fly.customer.io
al:web:should_fallback
true
sentry-trace
1d755d91085acca186507d26e6d792d1-ec708b5d08dfe847-1
baggage
sentry-environment=vercel-production,sentry-release=09a822c78206e752e17b2680e87444040ae8ebd0,sentry-public_key=002f6ca5c0ef09fbfca1916b4b8d16b6,sentry-trace_id=1d755d91085acca186507d26e6d792d1,sentry-org_id=4509764547641344,sentry-transaction=GET%20%2F,sentry-sampled=true,sentry-sample_rand=0.3135574091039921,sentry-sample_rate=1
SSL Certificate
Status:

Enabled

Expires: September 12th, 2026
Issuer: Amazon
DNS Records
Hostname Type TTL Priority Content
customer.io A 60
76.76.21.21
customer.io MX 60 1
aspmx.l.google.com.
customer.io MX 60 10
aspmx2.googlemail.com.
customer.io MX 60 10
aspmx3.googlemail.com.
customer.io MX 60 5
alt1.aspmx.l.google.com.
customer.io MX 60 5
alt2.aspmx.l.google.com.
customer.io NS 172800
ns-1181.awsdns-19.org.
customer.io NS 172800
ns-1893.awsdns-44.co.uk.
customer.io NS 172800
ns-499.awsdns-62.com.
customer.io NS 172800
ns-618.awsdns-13.net.
customer.io SOA 900
ns-1181.awsdns-19.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
customer.io TXT 60
"1password-site-verification=NKRDO4YCMBDD7KNUO4PN6RZCA4"
customer.io TXT 60
"MS=ms56053829"
customer.io TXT 60
"OSSRH-70026"
customer.io TXT 60
"airtable-verification=a839ac25097d07e90b6725421494b506"
customer.io TXT 60
"anthropic-domain-verification-h4s30h=RXWAAyC4VDThCnWjaprWPkUET"
customer.io TXT 60
"asv=8738dd37f3c5a1368cba93d24b4a1e17"
customer.io TXT 60
"cursor-domain-verification-m2k2b5=XfoK2FPHAUqoNHiCpHtqY2fXP"
customer.io TXT 60
"docusign=48e7526a-7539-4ad0-b672-7a94c3a20c29"
customer.io TXT 60
"facebook-domain-verification=62g2j16g5qkvf38ekdrtxiez0bsqei"
customer.io TXT 60
"google-site-verification=HbwteWh_QF6HnNCDLL_1X_GRwURBkYEdFAVM00rxf_k"
customer.io TXT 60
"google-site-verification=gsxlVNPtm1JCawWVNMCOVuWLK9lhzdr4Dofz-V-lovo"
customer.io TXT 60
"have-i-been-pwned-verification=a9d6f2edb8654dcfe04e310cdc9a000a"
customer.io TXT 60
"hubspot-developer-verification=NDkzOTIwZWMtMDVkNS00YTAzLThlMDQtZDJmYzVjNzc5Zjgw"
customer.io TXT 60
"jetbrains-domain-verification=rdxczp2suguw502vrx4cqksy"
customer.io TXT 60
"linear-domain-verification=wetdfvhymmbh"
customer.io TXT 60
"loom-site-verification=4dac5f34468e49a299444383229599d5"
customer.io TXT 60
"miro-verification=89a8ecb5df4f4febc758723fcfabd5af59041414"
customer.io TXT 60
"mixpanel-domain-verify=d5c389d5-df00-473a-8263-3932c19beecb"
customer.io TXT 60
"notion-domain-verification=DHmczCmyAqc8TGp6DPbfWBxLb9lSgvPv7wSOiiJfAJK"
customer.io TXT 60
"openai-domain-verification=dv-icOHzM0IplqgpTNoO3nJaRCX"
customer.io TXT 60
"ps-cd-verification=6d210b55-ec4b-4105-a1d7-7a73c78619fd"
customer.io TXT 60
"sinch-domain-verification=77675a95-7309-44bf-9483-5f9020edc778"
customer.io TXT 60
"slack-domain-verification=XRnWU545ZVlzHN85aeTWX7xzunEJk8Ouav9KjN7Q"
customer.io TXT 60
"v=spf1 include:helpscoutemail.com include:_spf.google.com include:servers.mcsv.net include:amazonses.com include:mail.zendesk.com ~all"
customer.io TXT 60
"zapier-domain-verification-challenge=3373ff99-18e1-4a49-8e81-67d830eb392b"