customer.io
Its Domain Power Rank is relatively high.
- Global Rank
- #9,339
▼ 2,905
- Rank in TLD
- #239
▼ 61
- Referring Domains
- 3,375
▲ 191
- Avg. Referrer Power Rank
- 33.8
- Subdomains
- 35
- Domain age
- 15 yr 0 mo
Link Overview
- Avg. Referrer Power Rank
- 33.8
- Median Referrer Power Rank
- 33.0
- Referring Domains
- 3,375
- Linked Domains
- 511
Referring Domains by Power Rank
0–9 301
10–19 551
20–29 643
30–39 623
40–49 603
50–59 403
60–69 158
70–79 66
80–89 18
90–100 9
Total 3,375
Referring Domains
| Referring domain | Power Rank | Global Rank |
|---|---|---|
| godaddy.com | 94.7 | #13 |
| wordpress.org | 93.7 | #18 |
| github.com | 93.6 | #19 |
| shopify.com | 92.5 | #28 |
| wikipedia.org | 91.8 | #34 |
| amazon.com | 90.8 | #40 |
| adobe.com | 90.7 | #43 |
| squarespace.com | 90.3 | #46 |
| t.me | 90.0 | #50 |
| opera.com | 86.1 | #121 |
Basic Information
- Registration date
- 26 Oct 2011
- Last updated
- 26 Oct 2026
- Expires
- 26 Oct 2027 (355 days remaining)
- Domain statuses
- clientTransferProhibited
- Registry
- Internet Computer Bureau Limited
- Registrar
- 1API GmbH
Subdomain
academy.customer.ioapi.customer.ioapi-eu.customer.ioapp.customer.ioassets.customer.iobrand.customer.iocdp.customer.iocdp-eu.customer.iocdp-prod-us-base-hydra-assets-us.customer.iocommunity.customer.iodocs.customer.ioevents.customer.iofast.customer.iofly.customer.iofly-standalone.customer.ious.fly.customer.ioget.customer.iolearn.customer.iolinks.customer.iomcp.customer.io
DNS
| Type | Name | TTL | Value |
|---|---|---|---|
| A | customer.io | 60 | 76.76.21.21 |
| MX | customer.io | 60 | 1 aspmx.l.google.com |
| MX | customer.io | 60 | 10 aspmx2.googlemail.com |
| MX | customer.io | 60 | 10 aspmx3.googlemail.com |
| MX | customer.io | 60 | 5 alt1.aspmx.l.google.com |
| MX | customer.io | 60 | 5 alt2.aspmx.l.google.com |
| NS | customer.io | 172800 | ns-1181.awsdns-19.org |
| NS | customer.io | 172800 | ns-1893.awsdns-44.co.uk |
| NS | customer.io | 172800 | ns-499.awsdns-62.com |
| NS | customer.io | 172800 | ns-618.awsdns-13.net |
| SOA | customer.io | 900 | ns-1181.awsdns-19.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400 |
| TXT | customer.io | 60 | 1password-site-verification=NKRDO4YCMBDD7KNUO4PN6RZCA4 |
| TXT | customer.io | 60 | MS=ms56053829 |
| TXT | customer.io | 60 | OSSRH-70026 |
| TXT | customer.io | 60 | airtable-verification=a839ac25097d07e90b6725421494b506 |
| TXT | customer.io | 60 | anthropic-domain-verification-h4s30h=RXWAAyC4VDThCnWjaprWPkUET |
| TXT | customer.io | 60 | asv=8738dd37f3c5a1368cba93d24b4a1e17 |
| TXT | customer.io | 60 | cursor-domain-verification-m2k2b5=XfoK2FPHAUqoNHiCpHtqY2fXP |
| TXT | customer.io | 60 | docusign=48e7526a-7539-4ad0-b672-7a94c3a20c29 |
| TXT | customer.io | 60 | facebook-domain-verification=62g2j16g5qkvf38ekdrtxiez0bsqei |
| TXT | customer.io | 60 | google-site-verification=HbwteWh_QF6HnNCDLL_1X_GRwURBkYEdFAVM00rxf_k |
| TXT | customer.io | 60 | google-site-verification=gsxlVNPtm1JCawWVNMCOVuWLK9lhzdr4Dofz-V-lovo |
| TXT | customer.io | 60 | have-i-been-pwned-verification=a9d6f2edb8654dcfe04e310cdc9a000a |
| TXT | customer.io | 60 | hubspot-developer-verification=NDkzOTIwZWMtMDVkNS00YTAzLThlMDQtZDJmYzVjNzc5Zjgw |
| TXT | customer.io | 60 | jetbrains-domain-verification=rdxczp2suguw502vrx4cqksy |
| TXT | customer.io | 60 | linear-domain-verification=wetdfvhymmbh |
| TXT | customer.io | 60 | loom-site-verification=4dac5f34468e49a299444383229599d5 |
| TXT | customer.io | 60 | miro-verification=89a8ecb5df4f4febc758723fcfabd5af59041414 |
| TXT | customer.io | 60 | mixpanel-domain-verify=d5c389d5-df00-473a-8263-3932c19beecb |
| TXT | customer.io | 60 | notion-domain-verification=DHmczCmyAqc8TGp6DPbfWBxLb9lSgvPv7wSOiiJfAJK |
| TXT | customer.io | 60 | openai-domain-verification=dv-icOHzM0IplqgpTNoO3nJaRCX |
| TXT | customer.io | 60 | ps-cd-verification=6d210b55-ec4b-4105-a1d7-7a73c78619fd |
| TXT | customer.io | 60 | sinch-domain-verification=77675a95-7309-44bf-9483-5f9020edc778 |
| TXT | customer.io | 60 | slack-domain-verification=XRnWU545ZVlzHN85aeTWX7xzunEJk8Ouav9KjN7Q |
| TXT | customer.io | 60 | v=spf1 include:helpscoutemail.com include:_spf.google.com include:servers.mcsv.net include:amazonses.com include:mail.zendesk.com ~all |
| TXT | customer.io | 60 | zapier-domain-verification-challenge=3373ff99-18e1-4a49-8e81-67d830eb392b |
Email Authentication
- MX
- Valid
- SPF
- Valid
- DMARC
- Warning
DMARC is set to p=quarantine, asking receiving servers to quarantine messages that fail authentication.
Some information is cached or comes from our own analysis, so it may not be current or complete. Our link analysis does not cover every link on the web. Metrics are based on our own methodology and should not be taken as definitive assessments of a domain’s or service’s quality or trustworthiness.