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21st Century Learning
www.21cl.nl/

21cl.nl

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Conversion Technology Metas Server
21cl.nl is hosted in Netherlands . 21cl.nl uses HTTPS protocol. Number of used technologies: 2. First technologies: CSS, Html, Number of used javascripts: 0. Number of used analytics tools: 0. Its server type is: nginx.

Technologies in use by 21cl.nl

Technology

Number of occurences: 2
  • CSS
  • Html

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Server Type

  • nginx

Conversion rate optimization
visitors Clickable call number Not founded!
visitors Conversion form (contact form, subcriber) Not founded!
visitors Clickable email Not founded!
visitors CTA (call to action) button Not founded!
visitors List Not founded!
visitors Image Not founded!
visitors Enhancement Not founded!
visitors Responsive website Not founded!
visitors Facebook sharing Not founded!
visitors Google+ sharing Not founded!
visitors Twitter sharing Not founded!
visitors Linkedin sharing Not founded!
visitors Blog on the webiste Not founded!

HTTPS (SSL) - 21cl.nl

SSL certificate

    • name: /CN=www.21cl.nl
    • subject:
      • CN: www.21cl.nl
    • hash: 11e611b7
    • issuer:
      • C: US
      • O: Let's Encrypt
      • CN: Let's Encrypt Authority X3
    • version: 2
    • serialNumber: 327401969354362554188489899745845111841464
    • validFrom: 160703010100Z
    • validTo: 161001010100Z
    • validFrom_time_t: 1467507660
    • validTo_time_t: 1475283660
    • extensions:
      • keyUsage: Digital Signature, Key Encipherment
      • extendedKeyUsage: TLS Web Server Authentication, TLS Web Client Authentication
      • basicConstraints: CA:FALSE
      • subjectKeyIdentifier: 4C:FB:FC:E4:31:47:40:7B:19:67:CD:FD:96:7D:47:EB:5B:A0:D8:DD
      • authorityKeyIdentifier: keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
      • authorityInfoAccess: OCSP - URI:http://ocsp.int-x3.letsencrypt.org/ CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
      • subjectAltName: DNS:21cl.nl, DNS:www.21cl.nl
      • certificatePolicies: Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.44947.1.1.1 CPS: http://cps.letsencrypt.org User Notice: Explicit Text: This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/

Meta - 21cl.nl

Number of occurences: 5
  • Name: author
    Content: Martijn
  • Name: copyright
    Content: ConnectiveLearning, Connectivelearning.nl
  • Name: keywords
    Content: 21st century learning, 21st century learning skills, connectiveLearning, connective learning, leren, Elgg, onderwijs, leren
  • Name: description
    Content:
  • Name:
    Content: 0

Server / Hosting

  • IP: 149.210.150.163
  • Latitude: 52.38
  • Longitude: 4.90
  • Country: Netherlands

Rname

  • ns0.transip.net
  • ns2.transip.eu
  • ns1.transip.nl
  • 21cl.nl

Target

  • hostmaster.transip.nl

HTTP Header Response

HTTP/1.1 301 Moved Permanently Server: nginx Date: Thu, 01 Sep 2016 02:22:00 GMT Content-Type: text/html Content-Length: 178 Location: https://www.21cl.nl/ X-Cache: MISS from s_wx1123 X-Cache-Lookup: MISS from s_wx1123:80 Via: 1.1 s_wx1123 (squid/3.5.20) Connection: keep-alive HTTP/1.1 200 Connection established HTTP/1.1 200 OK Server: nginx Date: Thu, 01 Sep 2016 02:22:00 GMT Content-Type: text/html Content-Length: 1340 Last-Modified: Wed, 27 Aug 2014 16:26:50 GMT Connection: keep-alive ETag: "53fe06ca-53c" Strict-Transport-Security: max-age=31536000; includeSubdomains; Accept-Ranges: bytes

DNS

host: 21cl.nl
  1. class: IN
  2. ttl: 86400
  3. type: A
  4. ip: 149.210.150.163
host: 21cl.nl
  1. class: IN
  2. ttl: 86400
  3. type: NS
  4. target: ns0.transip.net
host: 21cl.nl
  1. class: IN
  2. ttl: 86400
  3. type: NS
  4. target: ns2.transip.eu
host: 21cl.nl
  1. class: IN
  2. ttl: 86400
  3. type: NS
  4. target: ns1.transip.nl
host: 21cl.nl
  1. class: IN
  2. ttl: 3600
  3. type: SOA
  4. mname: ns0.transip.net
  5. rname: hostmaster.transip.nl
  6. serial: 2016081001
  7. refresh: 14400
  8. retry: 1800
  9. expire: 2419200
  10. minimum-ttl: 300
host: 21cl.nl
  1. class: IN
  2. ttl: 86400
  3. type: MX
  4. pri: 10
  5. target: 21cl.nl
host: 21cl.nl
  1. class: IN
  2. ttl: 86400
  3. type: TXT
  4. txt: v=spf1 mx ip4:149.210.150.163 ip6:2a01:7c8:aab2:3b0::1 mx:mail.21cl.nl mx:21cl.nl ~all
  5. entries: Array
host: 21cl.nl
  1. class: IN
  2. ttl: 86400
  3. type: AAAA
  4. ipv6: 2a01:7c8:aab2:3b0::1

Common Typos/Mistakes

This list shows You some spelling mistakes at internet search for this domain.

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