Module21.com Module 21 - An intelligent system for enriching indoor air with oxygen | Module 21
Introducing Module21 — an innovative device that enriches the air inside your home or office with oxygen. It purifies the air from pollutants, enhanc...
Server IP address resolved: Yes
Http response code: 200
Response time: 2.30 sec.
Last Checked: 11/01/2026
Module21.com attracts 1,544 unique visitors daily, generating 3,088 pageviews. The estimated value of module21.com is 2,311 USD. Each visitor views approximately 2.14 pages on average.
Module21.com is hosted by OsOO Unilink. Check out other websites hosted by OsOO Unilink.
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Module21.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.
The last inspection on (October 24, 2026), confirms that module21.com holds a valid and current SSL certificate issued by Let's Encrypt expiring on January 15, 2027. Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.
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| Domain | module21.com |
| Issuer Organization | Let's Encrypt |
| Issuer | YE1 |
| Algorithm | ecdsa-with-SHA384 |
| Valid form | 10/17/2026 |
| Expiration | 01/15/2027 |
| Signed | Certificate is not self signed |
| Additional Domains |
module21.com www.module21.com |
ASN ID: 44578
ASN Title: OsOO Unilink
Last Update: 10/24/2026
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aut-num: AS44578
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Domain Name: MODULE21.COM
Registry Domain ID: 2747821629_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2024-12-24T10:30:28Z
Creation Date: 2022-12-29T06:40:36Z
Registry Expiry Date: 2026-12-29T06:40:36Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
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Name Server: NS45.DOMAINCONTROL.COM
Name Server: NS46.DOMAINCONTROL.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2026-10-24T06:10:50Z
| Host | A Record | TTL |
|---|---|---|
| module21.com | 185.209.49.197 | 600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| module21.com | alt3.aspmx.l.google.com | 10 | 3600 |
| module21.com | alt4.aspmx.l.google.com | 10 | 3600 |
| module21.com | alt2.aspmx.l.google.com | 5 | 3600 |
| module21.com | alt1.aspmx.l.google.com | 5 | 3600 |
| module21.com | aspmx.l.google.com | 1 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| module21.com | ns46.domaincontrol.com | 3600 |
| module21.com | ns45.domaincontrol.com | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| module21.com | v=spf1 include:dc-aa8e722993._spfm.module21.com ~all | 3600 |
| module21.com | google-site-verification=PaCTLJNPKvuxLIXxP3Rqwce5HO-tjjdD_wsMZDaT3q4 | 3600 |
ns45.domaincontrol.com
TTL: 3600
Email address: dns.jomax.net
Serial: 2026050200
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum: 600
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