Duolingo.com Duolingo
Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!
Server IP address resolved: No
Http response code: None
Last Checked: 09/08/2024
Duolingo.com traffic volume is 434,952 unique daily visitors and their 1,087,379 pageviews. The web value rate of duolingo.com is 14,284,757 USD. Each visitor makes around 2.68 page views on average.
By Alexa's traffic estimates duolingo.com placed at 1,269 position over the world, while the largest amount of its visitors comes from United States, where it takes 582 place.
Perfect for duolingo.com that their data center (provided by company company AMAZON-AES - Amazon.com, Inc., US) is located in United States, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by AMAZON-AES - Amazon.com, Inc., US.
Duolingo.com registered under .COM top-level domain. Check other websites in .COM zone.
The last verification results, performed on (November 28, 2019) duolingo.com show that duolingo.com has an expired wildcard SSL certificate issued by GoDaddy.com, Inc. (expired on January 18, 2021). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by GoDaddy.com, Inc..
In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust duolingo.com is pretty a safe domain.
Relying Google MobileFriendly test duolingo.com is well optimized for mobile and tablet devices.
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We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
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Norton ConnectSafe evaluates duolingo.com for any unsafe and insecure content. The results are critical for families with young children.
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SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
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Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
![](/images/safety/mcafee.png)
McAfee assesses duolingo.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze duolingo.com for mature or inappropriate content, only security checks are evaluated.
![](/images/safety/wot.png)
The WOT calculates reputation of the duolingo.com. This reputation system receives ratings from users and information from third-party sources, assesses the duolingo.com for safety features and confirms, whether duolingo.com is suitable for children.
Domain | *.duolingo.com |
Issuer Organization | GoDaddy.com, Inc. |
Issuer | Go Daddy Secure Certificate Authority - G2 |
Algorithm | RSA-SHA256 |
Valid form | 01/18/2019 |
Expiration | 01/18/2021 |
Signed | Certificate is not self signed |
Additional Domains |
*.duolingo.com duolingo.com |
ASN ID: 14618
ASN Title: AMAZON-AES - Amazon.com, Inc., US
Last Update: 07/07/2024
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 14618
ASName: AMAZON-AES
ASHandle: AS14618
RegDate: 2005-11-04
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/14618
OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2017-01-28
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com/
Ref: https://rdap.arin.net/registry/entity/AMAZO-4
OrgNOCHandle: AANO1-ARIN
OrgNOCName: Amazon AWS Network Operations
OrgNOCPhone: +1-206-266-4064
OrgNOCEmail: amzn-noc-contact@amazon.com
OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
RTechHandle: ANO24-ARIN
RTechName: Amazon EC2 Network Operations
RTechPhone: +1-206-266-4064
RTechEmail: amzn-noc-contact@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Domain Name: DUOLINGO.COM
Registry Domain ID: 1583217344_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.registrar.amazon.com
Registrar URL: http://registrar.amazon.com
Updated Date: 2020-12-23T23:03:12Z
Creation Date: 2010-01-26T21:42:38Z
Registry Expiry Date: 2022-01-26T21:42:38Z
Registrar: Amazon Registrar, Inc.
Registrar IANA ID: 468
Registrar Abuse Contact Email: abuse@amazonaws.com
Registrar Abuse Contact Phone: +1.2067406200
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1020.AWSDNS-63.NET
Name Server: NS-1117.AWSDNS-11.ORG
Name Server: NS-1904.AWSDNS-46.CO.UK
Name Server: NS-247.AWSDNS-30.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-24T20:36:09Z
Host | A Record | TTL |
---|---|---|
duolingo.com | 184.72.124.184 | 60 |
Host | MX Record | Priority | TTL |
---|---|---|---|
duolingo.com | aspmx.l.google.com | 10 | 300 |
duolingo.com | alt1.aspmx.l.google.com | 20 | 300 |
duolingo.com | alt2.aspmx.l.google.com | 20 | 300 |
duolingo.com | aspmx2.googlemail.com | 30 | 300 |
duolingo.com | aspmx3.googlemail.com | 30 | 300 |
duolingo.com | aspmx4.googlemail.com | 30 | 300 |
duolingo.com | aspmx5.googlemail.com | 30 | 300 |
Host | NS Record | TTL |
---|---|---|
duolingo.com | ns-1020.awsdns-63.net | 172800 |
duolingo.com | ns-1117.awsdns-11.org | 172800 |
duolingo.com | ns-1904.awsdns-46.co.uk | 172800 |
duolingo.com | ns-247.awsdns-30.com | 172800 |
Host | TXT Record | TTL |
---|---|---|
duolingo.com | MS=ms66530579 | 3600 |
duolingo.com | amazonses:+SIz2NZPqYri3C+PSIyKShZIbuI4rNpbLlES7lmvpu4= | 3600 |
duolingo.com | apple-domain-verification=bMPI889zOgALUenN | 3600 |
duolingo.com | e622flctk14s3cs3ccdauh8uth | 3600 |
duolingo.com | google-site-verification=_J8zC35kkP9u0iK9FEzxpcqc2h86PeHfNisNuaUqDC0 | 3600 |
duolingo.com | h1-domain-verification=sjPBeaGqQwEe8YhJ3W8JVNJa7WDQFAzc6AHkURoErkh324Yy | 3600 |
duolingo.com | pardot_208162_*=610bfb45f202232a79db94c298b30d14332a62a6894e695b025fa7949d7b03fa | 3600 |
duolingo.com | pardot_208162_*=c15d5cb1b9f31e26058e1f30bda9e5d65c57cfeea37b34af8e1dd88474460e90 | 3600 |
duolingo.com | v=spf1 ip4:100.25.59.11 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:amazonses.com include:_spf.google.com include:mail.zendesk.com include:aspmx.pardot.com include:spf.tipalti.com ~all | 3600 |
ns-1020.awsdns-63.net
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400
Last tested: 06/12/2016
![](/images/speed.png)
Total Resources | 44 |
Number of Hosts | 16 |
Static Resources | 30 |
JavaScript Resources | 17 |
CSS Resources | 3 |
Last tested: 12/02/2019
![](/images/speed.png)
![](/images/speed.png)
Total Resources | 23 |
Number of Hosts | 5 |
Static Resources | 20 |
JavaScript Resources | 2 |
CSS Resources | 1 |
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