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coursera.org

coursera.org
Coursera - Sorry, we are down for maintenance.
✗ Log in Directly → ✓ Log in Safely →
Last update: . coursera.org is a safe website about "Coursera - Sorry we are down for maintenance. in science_and_education/education category. The server is running at 18.165.61.48 ip address and there is a secure connection certificate between the website and the visitor. When we did a security search, no viruses or spam were detected on web page. have daily 2M and monthly 59M unique visitors from US, IN, CO, MX, CA and worldwide. According to our financial situation analysis, this website earns an estimated daily $8.9K, weekly $37.9K and monthly $265.5K from online advertising. If you want to buy this domain, you need to revise $1739275. Because the value of the website can range from at least $1208199 to $2270351.

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⏰ Status: Coursera is Down?

From the table below, you can track the service conditions that we have periodically check in relation to the interruptions.

DateServer StatusSpeed
2025-07-28 08:00:02Online0.0145 Second
2025-07-27 14:01:03Online0.0574 Second
2025-07-26 20:02:03Online0.0144 Second
2025-07-26 02:03:03Online0.0136 Second
2025-07-25 08:03:02Online0.0146 Second
2025-07-24 14:04:02Online0.0291 Second
2025-07-23 20:03:02Online0.0255 Second
2025-07-23 01:07:03Online0.0135 Second
2025-07-22 06:19:02Online0.0126 Second
2025-07-21 12:19:02Online0.0136 Second
2025-07-20 18:20:02Online0.0125 Second
2025-07-20 00:20:02Online0.0135 Second
2025-07-19 06:21:03Online0.0131 Second
2025-07-18 12:21:02Online0.0146 Second
2025-07-17 18:21:02Online0.0126 Second
2025-07-17 00:21:02Online0.0125 Second
2025-07-16 06:21:02Online0.0123 Second
2025-07-15 12:22:02Online0.0130 Second
2025-07-14 18:06:02Online0.0136 Second
2025-07-14 00:07:02Online0.0126 Second

Known Searchs

coursera 1.7M
cousera 69.7K
coursera login 43.4K
coursea 37.3K
cursera 34.2K

☯ Technology Analysis

    ✇ DNS Records

    Host Type TTL Value
    coursera.org A 60 IP: 3.160.188.64
    coursera.org A 60 IP: 3.160.188.105
    coursera.org A 60 IP: 3.160.188.91
    coursera.org A 60 IP: 3.160.188.11
    coursera.org NS 21600 Target: ns-1481.awsdns-57.org
    coursera.org NS 21600 Target: ns-1590.awsdns-06.co.uk
    coursera.org NS 21600 Target: ns-258.awsdns-32.com
    coursera.org NS 21600 Target: ns-688.awsdns-22.net
    coursera.org SOA 900 Mname: ns-1590.awsdns-06.co.uk
    Rname: awsdns-hostmaster.amazon.com
    Serial: 1
    Refresh: 7200
    Retry: 900
    Expire: 1209600
    Minimum ttl: 86400
    coursera.org MX 300 Target: aspmx.l.google.com
    Priority: 10
    coursera.org MX 300 Target: alt1.aspmx.l.google.com
    Priority: 20
    coursera.org MX 300 Target: alt2.aspmx.l.google.com
    Priority: 20
    coursera.org MX 300 Target: aspmx2.googlemail.com
    Priority: 30
    coursera.org MX 300 Target: aspmx3.googlemail.com
    Priority: 30
    coursera.org MX 300 Target: aspmx4.googlemail.com
    Priority: 30
    coursera.org MX 300 Target: aspmx5.googlemail.com
    Priority: 30
    coursera.org TXT 60 TXT: 376174617-10056694
    coursera.org TXT 60 TXT: BthfBdp8W7Bqmm87eNGy
    coursera.org TXT 60 TXT: MS=ms91657421
    coursera.org TXT 60 TXT: apple-domain-verification=8gxy28dzSlSOYkUI
    coursera.org TXT 60 TXT: atlassian-domain-verification=OwoxnU5JeeEeNB3PXqTmPOsZNFUYTd05tar4PX8ZNNjps+mMWto+OyyA/50W5+B1
    coursera.org TXT 60 TXT: atlassian-domain-verification=pwnyCbGEmC6E08lYJGO/SYkQvbjFS+OXy03eVMG75U52Edj0vbZGBjdaorxh+PUE
    coursera.org TXT 60 TXT: cisco-ci-domain-verification=5b418d2526e560d4ec96988886c86e7930c6936b68215183295356a4e4bf36d7
    coursera.org TXT 60 TXT: docker-verification=6792a290-383f-4d78-9f9b-71f46df7b6b2
    coursera.org TXT 60 TXT: docusign=05d7ee1b-a029-4b94-912a-25bb3c4a2bed
    coursera.org TXT 60 TXT: facebook-domain-verification=46dep9ql4m6it0wahwkhiou7xit57h
    coursera.org TXT 60 TXT: google-site-verification=61uiBFuqY-MYJHWt_8qbU00Rsn7Nq_njU5eMUG0NlrY
    coursera.org TXT 60 TXT: google-site-verification=874wxzrE4FAJO81XTCXyH6WYnWZAMdlbMRXI3lfI0bw
    coursera.org TXT 60 TXT: google-site-verification=BbSjFsQN-aTkQDOiar6q3O4fPzSlgepoOdM3fMuCXFA
    coursera.org TXT 60 TXT: google-site-verification=H2oN7Mv4QCzOClwXz1j30f-4544byEDxyEk0o3eluE0
    coursera.org TXT 60 TXT: google-site-verification=PDgfi1HUgagq2NZOh86B3PpGnjDyNXdUr9iyWzDjONM
    coursera.org TXT 60 TXT: google-site-verification=UGpuPtZLCcMKFmgAeN4q6EbvxJn56A8Jz0sgW3yVKmA
    coursera.org TXT 60 TXT: google-site-verification=fFsckLsIOub_171zkeWLBQ72SvjwGSPsz209wwTtmX4
    coursera.org TXT 60 TXT: google-site-verification=l-IugqqOHDGlHpUHfv3e6z8J1koLgfGSem04lqBA_B8
    coursera.org TXT 60 TXT: google-site-verification=nLfEbuY6OaO0lfas7ywHqpPnOMnobNONSJ0hnbJO9co
    coursera.org TXT 60 TXT: google-site-verification=tbpsWy5oBEvo-Kod36Lqsb3qRK0h_divcCGAeUdVZlk
    coursera.org TXT 60 TXT: hubspot-domain-verification=ZTM1ZDk4NGEtNWU5Ny00NDJiLWIwNTQtZTA1NGJhZmU3MzZh
    coursera.org TXT 60 TXT: miro-verification=d5e807f40d602cde4051496eaaa95234e158ada0
    coursera.org TXT 60 TXT: onetrust-domain-verification=bc353cda9f49402e8b2ac8a3b3e86286
    coursera.org TXT 60 TXT: spf2.0/pra include:amazonses.com include:sendgrid.net include:_spf.google.com include:spf.mtasv.net -all
    coursera.org TXT 60 TXT: stripe-verification=0f6967e13ea84d76953d1c3f2dc9eb80e82f090fff99161cd2fa957f55a71d60
    coursera.org TXT 60 TXT: stripe-verification=34fd6b74183c244d59d572c162e5b77fe6eed5e5205296151f49dda7b68670eb
    coursera.org TXT 60 TXT: stripe-verification=95449f6ae01b02ef7f65b59ee2f3ed14bac52c49aaa1519e57b864b70baede3a
    coursera.org TXT 60 TXT: v=spf1 include:sendgrid.net ip4:24.6.102.21 ip4:50.16.53.44 include:_spf.google.com include:amazonses.com include:spf.mtasv.net include:_spf.salesforce.com -all
    coursera.org TXT 60 TXT: yandex-verification: 7472d03e746e191a
    coursera.org TXT 60 TXT: zoom-domain-verification=6fb6c268-238e-477b-ba40-2f0164695cd7

    ℹ Whois Records

    Domain Name: coursera.org Registrar WHOIS Server: http://whois.godaddy.com Registrar URL: http://www.whois.godaddy.com Updated Date: 2024-02-26T01:57:57Z Creation Date: 2012-01-12T01:57:48Z Registry Expiry Date: 2025-01-12T01:57:48Z Registrar: GoDaddy.com, LLC Registrar IANA ID: 146 Registrar Abuse Contact Email: abuse✉godaddy.com Registrar Abuse Contact Phone: +1.4806242505 Registrant Organization: Domains By Proxy, LLC Registrant State/Province: Arizona Registrant Country: US Name Server: ns-1481.awsdns-57.org Name Server: ns-1590.awsdns-06.co.uk Name Server: ns-258.awsdns-32.com Name Server: ns-688.awsdns-22.net DNSSEC: unsigned >>> Last update of WHOIS database: 2024-05-14T23:31:21Z <<<

    ☰ Http Headers

    content-type text/html
    content-length 1020
    date tue, 14 may 2024 23
    x-cache error from cloudfront
    via 1.1 c4fa254e2a3f0fe13ffe676ce8dbcda0.cloudfront.net (cloudfront)
    x-amz-cf-pop sof50-p1
    x-amz-cf-id qmme1xvomgh1ufklnob4ywdyg6waowjnxqixbvt3frmnj3ksbvy7bq==

    ✔ Indexing

    User-agent: * Allow: /api/utilities/v1/imageproxy Disallow: /maestro/api/ Disallow: /api/ Disallow: /maestro/ Disallow: /ui/ Disallow: /signature/voucher/ Disallow: /account/email_verify/ Disallow: /acclaimbadge/ Disallow: /voucher/ Disallow: /search Disallow: /lecture/ Disallow: /learn-perf/ Disallow: /specializations-perf/ Disallow: /professional-certificates-perf/ Disallow: /learn-noperf/ Disallow: /specializations-noperf/ Disallow: /professional-certificates-noperf/ Disallow: /career-academy/programs/ Disallow: /business/xmlrpc.php Disallow: /business/wp-content/uploads/ Sitemap: https://www.coursera.org/sitemap.xml User-agent: CCBot Disallow: /lecture/ User-agent: GPTBot Disallow: /lecture/

    ⚔ SSL Analytics

    SubjectCN = coursera.org
    IssuerC = US, O = Amazon, CN = Amazon RSA 2048 M02
    Version2
    Serial Number0b6724c0da47e54d0f89ad1f9d4b67f0
    Signature Algorithmsha256WithRSAEncryption
    Public Key AlgorithmrsaEncryption
    Authority Key IdentifierC0:31:52:CD:5A:50:C3:82:7C:74:71:CE:CB:E9:9C:F9:7A:EB:82:E2
    Subject Key IdentifierC5:15:0A:28:83:50:70:85:11:31:0A:82:B3:51:4E:49:36:31:28:51
    Subject Alternative NameDNS:coursera.org, DNS:*.coursera.org
    Key UsageDigital Signature, Key Encipherment
    Extended Key UsageTLS Web Server Authentication, TLS Web Client Authentication
    CRL Distribution PointsFull Name: URI:http://crl.r2m02.amazontrust.com/r2m02.crl
    Certificate PoliciesPolicy: 2.23.140.1.2.1
    Authority Information AccessOCSP - URI:http://ocsp.r2m02.amazontrust.com CA Issuers - URI:http://crt.r2m02.amazontrust.com/r2m02.cer
    Basic ConstraintsCA:FALSE
    CT Precertificate SCTsSigned Certificate Timestamp: Version : v1 (0x0) Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2: 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B Timestamp : Jun 23 03:42:49.014 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:66:EE:5E:24:56:68:6C:91:D9:F3:99:B6: A5:D2:6C:CD:23:7D:7C:D9:C9:A9:38:30:27:75:33:2C: B5:7B:8A:4B:02:21:00:C9:63:50:30:69:10:DA:BA:EF: CB:99:6F:9D:6A:C9:7E:F6:8A:7A:7D:FE:5F:71:E4:85: 02:81:01:28:C2:A3:BD Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB: 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73 Timestamp : Jun 23 03:42:49.023 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3A:EA:44:73:FD:75:B4:49:8D:55:49:B8: 49:CC:23:2C:94:B0:46:14:5B:FE:A2:4E:00:E3:C9:E1: 6E:C9:FB:D7:02:20:2F:5C:FF:A7:55:6F:50:F6:65:31: AD:50:D6:6B:22:24:2F:75:2D:89:29:25:4B:01:83:F9: D3:BB:42:E1:5E:AD Signed Certificate Timestamp: Version : v1 (0x0) Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70: 91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB Timestamp : Jun 23 03:42:48.892 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:87:51:35:F2:86:81:AD:FB:36:13:C6: 23:5A:B9:86:6D:50:1C:3B:C0:6D:AA:8A:EF:D1:0C:C0: F8:7D:5A:D9:00:02:20:0B:68:8A:E9:1C:91:E3:20:45: 98:B5:A8:0F:8C:3D:E0:CA:CF:18:09:8A:E4:C8:B4:56: 8C:38:91:09:9C:DF:52
    Start dateJun 23 00:00:00 2023 GMT
    Expire dateJul 21 23:59:59 2024 GMT
    RSA Public Key2048
    rsa(n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
    rsa(e)10001
    Signature98:99:98:c5:65:7c:ba:fb:46:22:7a:6e:7a:50:78:23:e9:a8:57:22:bf:b9:ea:ff:94:07:93:85:91:b3:cf:21:86:2f:b9:e8:60:4d:2b:2d:e8:1a:05:1f:10:e8:67:11:f5:89:4a:10:65:68:d4:04:64:6f:86:e9:ce:7d:82:5b:aa:f7:16:88:68:b6:d0:09:34:06:0c:d0:ad:93:57:e5:1b:ed:43:3e:90:8b:e4:45:07:5a:1a:85:c9:8f:89:42:53:9d:6e:c7:ca:17:15:60:c4:cc:14:1e:4b:7a:a6:86:d1:e4:42:9d:3d:61:0f:e6:fa:f4:73:6b:46:b9:48:4f:84:44:9c:ff:f2:1a:8d:52:a7:cf:c1:60:bf:06:9a:92:f5:11:d0:1e:65:5f:09:ce:c0:d5:07:17:2a:79:b5:cb:18:cf:30:ee:4d:35:5a:ad:36:d1:de:f3:5d:f8:a3:07:e7:65:fe:30:80:ea:a3:7a:57:e3:77:06:2b:ac:4e:a5:d4:c0:e5:33:86:46:e5:d6:95:d3:de:dd:a6:4f:1a:47:12:50:c3:53:10:db:47:8c:aa:f5:3e:14:be:11:ee:24:01:8b:70:c7:47:1f:45:d1:2e:6b:28:6d:25:f2:e7:91:aa:6d:33:55:bd:a7:c5:ec:dd:a9:d5:3d:9b:bb:98:43:

    ⚔ Relationship Network Graph

    Here you can see the list of countries, links, IP addresses, domains and cookies that the website connects to or is somehow related to.

    Countries: US
    Domains: www.coursera.org - coursera.s3.amazonaws.com - coursera.org
    IP Adresses: 52.217.81.124 - 18.173.187.93
    Link Outs:
    Coookies: .coursera.org - CSRF3-Token - 1716559433.9zGygQ6nc48dDDOT

    Other Websites Reviewed