htdp.org


Online Status
Online

Server IP address resolved:YES
Http response code: 200
Response time: 0.18 sec.
Redirect Url:http://htdp.org/
Last Checked: 2021-10-22

htdp.org belongs to CloudFlare Inc.

htdp.org registered under .org top-level domain.

The last verification results, performed on (May 5 00:00:00 2021 GMT) htdp.org show that htdp.org has an expired SSL certificate issued by Cloudflare, Inc. (expired on May 4 23:59:59 2022 GMT). Click "Refresh" button for SSL Information at the Safety Information section.

The language been detected is en.

In accordance with Google Safe Browsing and Symantec htdp.org is pretty a safe domain.

HTTP/1.1 200 OK
Date: Thu, 21 Oct 2021 22:14:41 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
last-modified: Tue, 04 May 2021 18:50:17 GMT
access-control-allow-origin: *
expires: Thu, 21 Oct 2021 18:42:33 GMT
cache-control: max-age=600
x-proxy-cache: MISS
x-github-request-id: 7F0C:3827:A27457:13202DD:6171B241
via: 1.1 varnish
age: 0
x-served-by: cache-mdw17333-MDW
x-cache: HIT
x-cache-hits: 1
x-timer: S1634854482.797534,VS0,VE29
vary: Accept-Encoding
x-fastly-request-id: 3464740c5bd644a02a3ae45c4549cfd123090bd5
CF-Cache-Status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=rdQD3Y9uYKugUnbGR5B7d%2BIraXFKrTDhSvJhww8QmorKjzECEvEfcooD5osJrx8aLkH1O0m79vAdLNEv1Qtk%2BuARrRV5BEusSHQ4pKuwWFr3ToW%2BV12trLodqA%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 6a1dd71f2ce729bd-ORD
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400, h3-28=":443"; ma=86400, h3-27=":443"; ma=86400                            
Overview
Last Updated: 08/22/2021
Unknown status.
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.
Norton Connect Safe
Last Updated: 04/01/2020
htdp.org is safe.
Norton ConnectSafe evaluates htdp.org for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 08/22/2021
Not yet checked.
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.
Google Safe Browsing
Last Updated: 04/02/2020
htdp.org is safe.
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.
Site Advisor
Last Updated: 04/01/2021
htdp.org is safe.
McAfee assesses htdp.org 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 htdp.org for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 2021-08-14 06:53:54
htdp.org child safety is unknown.
The WOT calculates reputation of the htdp.org. This reputation system receives ratings from users and information from third-party sources, assesses the htdp.org for safety features and confirms, whether htdp.org is suitable for children.

Last Checked: 2021-10-22
DomainUS
SSL CountryUS
Issuer OrganizationCloudflare, Inc.
IssuerCloudflare Inc ECC CA-3
Valid formMay 5 00:00:00 2021 GMT
ExpirationMay 4 23:59:59 2022 GMT
Additional Domains
Server Location 172.67.145.240
City: San Francisco
Region: California
Country: United States
Longitude: -122.39520263672
Latitude: 37.775699615479

WHOIS
Domain Name: HTDP.ORG
Registry Domain ID: D74020628-LROR
Registrar WHOIS Server: whois.gandi.net
Registrar URL: http://www.gandi.net
Updated Date: 2021-01-30T18:20:11Z
Creation Date: 2001-06-29T14:32:48Z
Registry Expiry Date: 2022-06-29T14:32:48Z
Registrar: Gandi SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +33.170377661
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: How to Design Programs
Registrant State/Province: RI
Registrant Country: US
Name Server: KATE.NS.CLOUDFLARE.COM
Name Server: CLYDE.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-09-10T17:06:10Z <<<

DNS Records
HostA RecordTTL
htdp.org.172.67.145.240299
htdp.org.104.21.87.201299
HostAAAA RecordTTL
htdp.org.2606:4700:3035::6815:57c9299
htdp.org.2606:4700:3033::ac43:91f0299
HostNS RecordTTL
htdp.org.kate.ns.cloudflare.com.86400
htdp.org.clyde.ns.cloudflare.com.86400
HostMX RecordPriorityTTL
htdp.org.aspmx.l.google.com.0300
htdp.org.aspmx2.googlemail.com.10300
htdp.org.aspmx3.googlemail.com.10300
htdp.org.alt1.aspmx.l.google.com.5300
htdp.org.alt2.aspmx.l.google.com.5300
HostTXT RecordTTL
htdp.org.v=spf1 -all300

clyde.ns.cloudflare.com.
TTL: 3600
Email address: dns.cloudflare.com.
Serial: 2036780857
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 3600

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