htdp.org
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
![](/images/safety/logo.png)
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.
![](/images/safety/norton.png)
Norton ConnectSafe evaluates htdp.org for any unsafe and insecure content. The results are critical for families with young children.
![](/images/safety/google.png)
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.
![](/images/safety/google_safe_browsing.png)
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 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.
![](/images/safety/wot.png)
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.
Domain | US |
SSL Country | US |
Issuer Organization | Cloudflare, Inc. |
Issuer | Cloudflare Inc ECC CA-3 |
Valid form | May 5 00:00:00 2021 GMT |
Expiration | May 4 23:59:59 2022 GMT |
Additional Domains |
Additional Domains
sni.cloudflaressl.com |
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 <<<
Host | A Record | TTL |
---|---|---|
htdp.org. | 172.67.145.240 | 299 |
htdp.org. | 104.21.87.201 | 299 |
Host | AAAA Record | TTL |
---|---|---|
htdp.org. | 2606:4700:3035::6815:57c9 | 299 |
htdp.org. | 2606:4700:3033::ac43:91f0 | 299 |
Host | NS Record | TTL |
---|---|---|
htdp.org. | kate.ns.cloudflare.com. | 86400 |
htdp.org. | clyde.ns.cloudflare.com. | 86400 |
Host | MX Record | Priority | TTL |
---|---|---|---|
htdp.org. | aspmx.l.google.com. | 0 | 300 |
htdp.org. | aspmx2.googlemail.com. | 10 | 300 |
htdp.org. | aspmx3.googlemail.com. | 10 | 300 |
htdp.org. | alt1.aspmx.l.google.com. | 5 | 300 |
htdp.org. | alt2.aspmx.l.google.com. | 5 | 300 |
Host | TXT Record | TTL |
---|---|---|
htdp.org. | v=spf1 -all | 300 |
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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