Download websites using SmtpJS
Email Marketing · since 2016 · open source
About SmtpJS
SmtpJS is a lightweight JavaScript library that enables sending emails directly from client-side JavaScript code via SMTP. It works by routing email requests through a relay service, allowing web developers to trigger email sending from browser-based applications without a dedicated server-side backend.
SmtpJS is commonly used for simple contact forms, notification systems, and small web projects where setting up a full email server infrastructure is not practical. While convenient, security-conscious developers note that using SmtpJS with real SMTP credentials in client-side code can expose those credentials, so it is best suited for low-stakes applications or secured environments. The library integrates with services like ElasticEmail to handle the actual email delivery.
At a glance
Database preview of SmtpJS sites
SmtpJS detection is a value inside the Technologies column. Two datasets carry it — switch between them to compare what's included.
| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | PR value | Harmonic value | Domain creation date | Domain expiration date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| aylo.com | com | com | ICANN | HTTP 200 | 34.36.252.186 | US | {"linkedin":["https://linkedin.com/company/ayloservices"]} | 2026-04-28 | PWA, HSTS, cdnjs, HTTP/3, SmtpJS 3, jQuery 3.4.1, ShareThis, Cloudflare, Open Graph, Salesforce | 0.000000508188 | 14,022,920 | 2012-04-14 | 2027-04-14 |
| cu-elibrary.com | com | com | ICANN | HTTP 200 | 43.208.189.26 | TH | {"facebook":["https://facebook.com/cubook"],"instagram":["https://instagram.com/chulabook?hl=th"],"x-twitter":["https://twitter.com/Chulabook"]} | 2026-05-04 | Nginx 1.24.0, cdnjs, Popper, SmtpJS 3, Ubuntu, jQuery, Express, Node.js, Sectigo, YouTube | 0.0000000763944 | 16,552,335 | 2022-01-20 | 2028-01-20 |
| daring.com | com | com | ICANN | HTTP 200 | 141.193.213.10 | US | {"tiktok":["https://tiktok.com/@daringfoods"],"facebook":["https://facebook.com/daringfoods"],"instagram":["https://instagram.com/daringfoods"],"x-twitter":["https://twitter.com/daringfoods"]} | 2026-05-04 | PHP, MySQL, Slick, HTTP/3, SmtpJS 3, jQuery, GoDaddy, Mailgun, Bootstrap, WP Engine | 0.0000000628808 | 13,731,487 | 1998-05-01 | 2027-04-30 |
| icd.ca | ca | ca | ICANN | HTTP 200 | 76.76.21.21 | US | {"linkedin":["https://ca.linkedin.com/school/icdcanada","https://linkedin.com/company/icdcanada"]} | 2026-05-14 | HSTS, React, SmtpJS 3, Vercel, Next.js, Node.js, Webpack, OneTrust, MailChimp, Google Ads | 0.0000000621117 | 14,238,550 | 2000-10-25 | 2032-02-01 |
| cpsgo.com | com | com | ICANN | HTTP 200 | 141.193.213.10 | US | {"facebook":["https://facebook.com/corpayroll"],"instagram":["https://instagram.com/cps_go"],"x-twitter":["https://twitter.com/cpayroll"]} | 2026-05-04 | PHP, RSS, Divi 4.27.5, Zoho, MySQL, cdnjs, HTTP/3, SmtpJS 3, jQuery, Jetpack | 0.0000000490821 | 12,920,709 | 2017-09-24 | 2026-09-24 |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … |
| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | DNS last data checked | DNS Status | DNS records | PR value | Harmonic value | RDAP/WHOIS last data checked | RDAP/WHOIS method | Domain creation date | Domain expiration date | Domain last changed | Registrar | RDAP/WHOIS Record | Response Status RDAP/WHOIS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| aylo.com | com | com | ICANN | HTTP 200 | 34.36.252.186 | US | {"linkedin":["https://linkedin.com/company/ayloservices"]} | 2026-04-28 | PWA, HSTS, cdnjs, HTTP/3, SmtpJS 3, jQuery 3.4.1, ShareThis, Cloudflare, Open Graph, Salesforce | 2026-06-01 | TRUE | {"A":["34.36.252.186"],"MX":[{"host":"mxa-002a0701.gslb.pphosted.com","priority":10},{"host":"mxb-002a0701.gslb.pphosted.com","priority":10}],"NS":["ns-1499.awsdns-59.org","ns-1567.awsdns-03.co.uk","ns-531.awsdns-02.net","ns-92.awsdns-11.com","sdns3.ultradns.biz","sdns3.ultradns.com","sdns3.ultradns.net","sdns3.ultradns.org"],"SOA":{"mname":"sdns3.ultradns.net","retry":3600,"rname":"dns.mindgeek.com","expire":3600,"serial":2023081606,"minimum":3600,"refresh":3600},"TXT":["MS=ms89073986","Mosyle-verification-926145285","XkXmBEbacUORXtRXlGx55YAe","_c320pi60exnortac56capf04sw0owl5","_eo6djf76fd17b0nn69of5w6fr0d4gca","_mpus60i6iplf115ie9dzzwxgyoetpfw","adobe-idp-site-verification=9e7bb3c3f8bc01d1aafa5a51a04efe225e3f7ccd4f28ee6691e8c24bdddaaafb","amazon-business-verification=fc2d880a953edb529339ef7abd29f97ac3beea9f7fd2522ee3390972211525ee","atlassian-domain-verification=QnhGBKPPM0VTl4c9xSAEO1fK7C9jX8tcM4Xxl4HL7JEddSZ/CPFcXFaE0j1oDG0N","d7b99f0b-fc56-4be8-aeea-a7b998f84ddd","figma-domain-verification=99257f7232facde0fe2218b34c0054462b0ffb0d200742d754e87fae248ba102-1725377504","google-gws-recovery-domain-verification=48510264","google-site-verification=i3PX5I34nyZORObejB0D2xRlJ-lgRci-6gyI3jctaII","google-site-verification=u_6x0QvaUnJLM-TE_x8FGeRIiuzq3fPSuWDKsubeEtQ","knowbe4-site-verification=7e9116002fe4c6398ed74d82e388d2ba","miro-verification=2d0dd29304eb3286ccf18b69c61b8222fe18ed04","postman-domain-verification=62365eab12cc15615d79bc11850466731164a081f5526201f8178c6e48eec4b4d36974d552425434667a2aaa7d64061e212f9808a9c3adbd345356fb6b120ab6","sending_domain879122=40ec844b73c39556b31713e8f7fbb6cd640c539e328859ff0cbe977a9b77ecbb","teamviewer-sso-verification=ac53b9e4e34741269185aff58d49e31b","v=spf1 mx ip4:162.211.96.66 ip4:162.211.96.67 include:spf-002a0701.pphosted.com include:mg-spf.greenhouse.io include:_spf.salesforce.com -all","windsurf-verification=6mUR4aMEl4Rgq1v1It31unVjQZpt2Bke_ZIIan_mI5E="]} | 0.000000508188 | 14,022,920 | 2026-04-14 | RDAP | 2012-04-14 | 2027-04-14 | 2026-04-08 | EuroDNS S.A. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/AYLO.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/AYLO.COM"},{"rel":"related","href":"https://rdap.eurodns.com/domain/AYLO.COM","type":"application/rdap+json","value":"https://rdap.eurodns.com/domain/AYLO.COM"}],"events":[{"eventDate":"2012-04-14T18:31:24Z","eventAction":"registration"},{"eventDate":"2027-04-14T18:31:24Z","eventAction":"expiration"},{"eventDate":"2026-04-08T06:53:57Z","eventAction":"last changed"},{"eventDate":"2026-04-14T16:30:54Z","eventAction":"last update of RDAP database"}],"handle":"1713522143_DOMAIN_COM-VRSN","status":["client transfer prohibited"],"ldhName":"AYLO.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/aylo.com"}],"title":"Terms of Service","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/aylo.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://www.EuroDNS.com","type":"text/html","value":"https://rdap.eurodns.com/"}],"roles":["registrar"],"handle":"1052","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+352.27220150"],["email",{},"text","legalservices@eurodns.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"1052"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","EuroDNS S.A."]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS-1499.AWSDNS-59.ORG","objectClassName":"nameserver"},{"ldhName":"NS-1567.AWSDNS-03.CO.UK","objectClassName":"nameserver"},{"ldhName":"NS-531.AWSDNS-02.NET","objectClassName":"nameserver"},{"ldhName":"NS-92.AWSDNS-11.COM","objectClassName":"nameserver"},{"ldhName":"SDNS3.ULTRADNS.BIZ","objectClassName":"nameserver"},{"ldhName":"SDNS3.ULTRADNS.COM","objectClassName":"nameserver"},{"ldhName":"SDNS3.ULTRADNS.NET","objectClassName":"nameserver"},{"ldhName":"SDNS3.ULTRADNS.ORG","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| cu-elibrary.com | com | com | ICANN | HTTP 200 | 43.208.189.26 | TH | {"facebook":["https://facebook.com/cubook"],"instagram":["https://instagram.com/chulabook?hl=th"],"x-twitter":["https://twitter.com/Chulabook"]} | 2026-05-04 | Nginx 1.24.0, cdnjs, Popper, SmtpJS 3, Ubuntu, jQuery, Express, Node.js, Sectigo, YouTube | 2026-06-11 | TRUE | {"A":["43.208.189.26"],"NS":["ns-1038.awsdns-01.org","ns-1818.awsdns-35.co.uk","ns-733.awsdns-27.net","ns-92.awsdns-11.com"],"SOA":{"mname":"ns-1818.awsdns-35.co.uk","retry":900,"rname":"awsdns-hostmaster.amazon.com","expire":1209600,"serial":1,"minimum":86400,"refresh":7200}} | 0.0000000763944 | 16,552,335 | 2025-06-17 | RDAP | 2022-01-20 | 2028-01-20 | 2025-06-17 | Web Commerce Communications Limited dba WebNic.cc | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/CU-ELIBRARY.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/CU-ELIBRARY.COM"},{"rel":"related","href":"https://rdap.webnic.cc/domain/CU-ELIBRARY.COM","type":"application/rdap+json","value":"https://rdap.webnic.cc/domain/CU-ELIBRARY.COM"}],"events":[{"eventDate":"2022-01-20T04:22:26Z","eventAction":"registration"},{"eventDate":"2028-01-20T04:22:26Z","eventAction":"expiration"},{"eventDate":"2025-01-20T12:06:32Z","eventAction":"last changed"},{"eventDate":"2025-06-17T07:47:53Z","eventAction":"last update of RDAP database"}],"handle":"2669585842_DOMAIN_COM-VRSN","status":["active"],"ldhName":"CU-ELIBRARY.COM","notices":[{"links":[{"href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html"}],"title":"Terms of Use","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"href":"https://icann.org/wicf","type":"text/html"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"roles":["registrar"],"handle":"460","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+60.189836788"],["email",{},"text","compliance_abuse@webnic.cc"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"460"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Web Commerce Communications Limited dba WebNic.cc"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS-1038.AWSDNS-01.ORG","objectClassName":"nameserver"},{"ldhName":"NS-1818.AWSDNS-35.CO.UK","objectClassName":"nameserver"},{"ldhName":"NS-733.AWSDNS-27.NET","objectClassName":"nameserver"},{"ldhName":"NS-92.AWSDNS-11.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_0","icann_rdap_response_profile_0"]}} | Domain is active |
| daring.com | com | com | ICANN | HTTP 200 | 141.193.213.10 | US | {"tiktok":["https://tiktok.com/@daringfoods"],"facebook":["https://facebook.com/daringfoods"],"instagram":["https://instagram.com/daringfoods"],"x-twitter":["https://twitter.com/daringfoods"]} | 2026-05-04 | PHP, MySQL, Slick, HTTP/3, SmtpJS 3, jQuery, GoDaddy, Mailgun, Bootstrap, WP Engine | 2026-06-10 | TRUE | {"A":["141.193.213.10"],"MX":[{"host":"daring-com.mail.protection.outlook.com","priority":0}],"NS":["ns11.domaincontrol.com","ns12.domaincontrol.com"],"SOA":{"mname":"ns11.domaincontrol.com","retry":7200,"rname":"dns.jomax.net","expire":604800,"serial":2026031700,"minimum":600,"refresh":28800},"TXT":["289C6C4CB8","MS=ms90807461","anthropic-domain-verification-eggv93=nbiBCV8yNlcje4TJhkjsrWMoe","atlassian-domain-verification=MbmV877VhwEpyMDL2GQ20ruHLkEulJArEW2oa8GRzoncnmcrTiPoXrl4rv19xf/J","facebook-domain-verification=54ej487p5mfp2yf6osjsz8xed37nm1","google-site-verification=LGPIMIzVegxzZiswr_xcqETNyGpaSpXEPflaawYmQ4M","google-site-verification=S4lIvujBDjkr4rAOrgIARi00juevJAr5O-DSgp3q8b0","google-site-verification=cx8IC1cUYLp20-bCpTRVYlhf1iLcIX-ysBVVgEdFRto","klaviyo-site-verification=Q696M4","openai-domain-verification=dv-IamPPtINsMWdjPZxhO5xX5np","ppe-6886d43f7fd08b3235aec894b6fd09d919e70df9","v=spf1 include:spf.protection.outlook.com include:shops.shopify.com include:mailgun.org include:_spf.elasticemail.com ~all"]} | 0.0000000628808 | 13,731,487 | 2026-05-07 | RDAP | 1998-05-01 | 2027-04-30 | 2026-05-01 | GoDaddy.com, LLC | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/DARING.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/DARING.COM"},{"rel":"related","href":"https://rdap.godaddy.com/v1/domain/DARING.COM","type":"application/rdap+json","value":"https://rdap.godaddy.com/v1/domain/DARING.COM"}],"events":[{"eventDate":"1998-05-01T04:00:00Z","eventAction":"registration"},{"eventDate":"2027-04-30T04:00:00Z","eventAction":"expiration"},{"eventDate":"2026-05-01T05:00:34Z","eventAction":"last changed"},{"eventDate":"2026-05-07T04:30:22Z","eventAction":"last update of RDAP database"}],"handle":"1944075_DOMAIN_COM-VRSN","status":["client delete prohibited","client renew prohibited","client transfer prohibited","client update prohibited"],"ldhName":"DARING.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/daring.com"}],"title":"Terms of Service","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/daring.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://www.godaddy.com","type":"text/html","value":"https://rdap.godaddy.com/v1/"}],"roles":["registrar"],"handle":"146","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:480-624-2505"],["email",{},"text","abuse@godaddy.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"146"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GoDaddy.com, LLC"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS11.DOMAINCONTROL.COM","objectClassName":"nameserver"},{"ldhName":"NS12.DOMAINCONTROL.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| icd.ca | ca | ca | ICANN | HTTP 200 | 76.76.21.21 | US | {"linkedin":["https://ca.linkedin.com/school/icdcanada","https://linkedin.com/company/icdcanada"]} | 2026-05-14 | HSTS, React, SmtpJS 3, Vercel, Next.js, Node.js, Webpack, OneTrust, MailChimp, Google Ads | 2026-06-11 | TRUE | {"A":["76.76.21.21"],"MX":[{"host":"icd-ca.mail.protection.outlook.com","priority":0}],"NS":["dns1.easydns.com","dns2.easydns.net","dns3.easydns.ca"],"SOA":{"mname":"dns1.easydns.com","retry":7200,"rname":"zone.easydns.com","expire":1209600,"serial":1754506104,"minimum":300,"refresh":21600},"TXT":["19q6tqehttkm8l5gekmeacpi8m","5njboukegjtppk1736le79a6qs","6XBlLBl","MS=52DEA57D30A9A9F69AEF4A010CD000BEE8218CE9","MS=ms19509477","asv=791df52d6fd4d3b2346ed81dcc4e7e25","d365mktkey=W4KpRNhV9bjmmXexb7R4xTTnV6Itcmu3P67sx3NQmJEx","d365mktkey=a2x8BiZkScAxqFFGQM6CNrCw64PKYtx11IBgF4falb4x","google-site-verification=suGfIxTZeU5z1yE6_fTY7twiIp6LXzHcQ17luoLG8vw","msfpkey=45bpz64h3no6eupfct5f4sy3s","uppnv8drjfsjfh5cna21oj50tl","v=spf1 include:spf.protection.outlook.com ip4:38.117.75.158 ip4:216.220.33.87 ip4:216.220.41.78 include:spf.mandrillapp.com include:servers.mcsv.net -all"]} | 0.0000000621117 | 14,238,550 | 2025-09-23 | RDAP | 2000-10-25 | 2032-02-01 | 2024-01-01 | easyDNS Technologies Inc. | — | Domain is active |
| cpsgo.com | com | com | ICANN | HTTP 200 | 141.193.213.10 | US | {"facebook":["https://facebook.com/corpayroll"],"instagram":["https://instagram.com/cps_go"],"x-twitter":["https://twitter.com/cpayroll"]} | 2026-05-04 | PHP, RSS, Divi 4.27.5, Zoho, MySQL, cdnjs, HTTP/3, SmtpJS 3, jQuery, Jetpack | 2026-06-03 | TRUE | {"A":["141.193.213.10","141.193.213.11"],"MX":[{"host":"cpsgo-com.mail.protection.outlook.com","priority":0}],"NS":["ns-1278.awsdns-31.org","ns-1712.awsdns-22.co.uk","ns-208.awsdns-26.com","ns-781.awsdns-33.net"],"SOA":{"mname":"ns-781.awsdns-33.net","retry":900,"rname":"awsdns-hostmaster.amazon.com","expire":1209600,"serial":1,"minimum":86400,"refresh":7200},"TXT":["MS=ms13353615","google-site-verification=iZS1ccAml3RoxAocoUpm0PZoB-NC9KY7e9ZSB-iVnfE knowbe4-site-verification=cc15da05b4e1cf3d0bef664f80f8475a google-site-verification=Dw8VuuMlcswT5-I4TCdJrogCcgpYjp7CC3Rjq22cdYg","v=spf1 ip4:50.202.154.170 ip4:3.88.92.195 include:spf.protection.outlook.com include:_spf.google.com include:emsd1.com include:zcsend.net include:_spf.psm.knowbe4.com include:_spf.qp-mail.com include:transmail.net ~all","zoho-verification=zb46701017.zmverify.zoho.com"]} | 0.0000000490821 | 12,920,709 | 2025-07-01 | RDAP | 2017-09-24 | 2026-09-24 | 2025-07-01 | Network Solutions, LLC | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/CPSGO.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/CPSGO.COM"},{"rel":"related","href":"https://rdap.networksolutions.com/rdap/domain/CPSGO.COM","type":"application/rdap+json","value":"https://rdap.networksolutions.com/rdap/domain/CPSGO.COM"}],"events":[{"eventDate":"2017-09-24T18:37:05Z","eventAction":"registration"},{"eventDate":"2026-09-24T18:37:05Z","eventAction":"expiration"},{"eventDate":"2025-05-22T18:05:44Z","eventAction":"last changed"},{"eventDate":"2025-07-01T07:02:52Z","eventAction":"last update of RDAP database"}],"handle":"2166963512_DOMAIN_COM-VRSN","status":["client transfer prohibited"],"ldhName":"CPSGO.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/cpsgo.com"}],"title":"Terms of Service","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/cpsgo.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://networksolutions.com","type":"text/html","value":"https://rdap.networksolutions.com/rdap/"}],"roles":["registrar"],"handle":"2","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.8777228662"],["email",{},"text","domain.operations@web.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"2"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Network Solutions, LLC"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS-1278.AWSDNS-31.ORG","objectClassName":"nameserver"},{"ldhName":"NS-1712.AWSDNS-22.CO.UK","objectClassName":"nameserver"},{"ldhName":"NS-208.AWSDNS-26.COM","objectClassName":"nameserver"},{"ldhName":"NS-781.AWSDNS-33.NET","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … |
+ 4 datasets don't carry the Technologies column.
Version distribution
Detected SmtpJS versions across all 2,855 sites.
| Version | Sites | Share |
|---|---|---|
| 3 | 2,695 | 97.6% |
| 2 | 66 | 2.4% |
The SmtpJS dataset
Every site we've detected as running SmtpJS — with version, hosting, country, TLD and traffic rank.
SmtpJS lives inside 2 datasets
SmtpJS detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 2,855-site list — or grab a free preview first.
Frequently asked questions
How many websites use SmtpJS?
webatla detects SmtpJS on 3K websites, refreshed daily — each with its domain, DNS, WHOIS, IP, country and ranking.
Can I download the list of websites using SmtpJS?
Yes — as structured JSONL. Pay once for one month, no subscription; grab a free sample first.
What's included for each site, and how fresh is it?
Domain, DNS, RDAP/WHOIS, the full technology stack, IP & country, PageRank and Harmonic — re-detected and re-exported daily.