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Classover 兴趣班：Top 5% 严选美国教师，国际权威教材专注培养5-12岁美国小孩，美国老师全英文教学.上课时间灵活，兴趣任你选可选择一对一上课，也可以约上好朋友一起连线上课. Classover 使用专业授课软件，一键进入线上教室。

Classover.com Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 2.27 sec.

Last Checked: 07/03/2024

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Classover.com traffic estimate is about 1,802 unique visitors and 3,604 pageviews per day. The approximated value of classover.com is 2,640 USD. Every unique visitor makes about 2 pageviews on average.

classover.com is hosted by CLOUDFLARENET - Cloudflare, Inc., US. See the list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

Classover.com is registered under .COM top-level domain. Check other websites in .COM zone.

During the last check (October 01, 2020) classover.com has an expired SSL certificate issued by Let's Encrypt (expired on November 07, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing and Symantec classover.com is pretty a safe domain.

Classover.com General Information

Information not available

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Classover.com Safety Information

Rankchart Summary

Unknown

Updated: 07/03/2024

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

Safe

Updated: 02/09/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Not Checked

Updated: 07/03/2024

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 10/05/2020

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 10/01/2020

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McAfee assesses classover.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 classover.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 07/03/2024

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The WOT calculates reputation of the classover.com. This reputation system receives ratings from users and information from third-party sources, assesses the classover.com for safety features and confirms, whether classover.com is suitable for children.

Classover.com SSL Information

Information about SSL/TLS certificates

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Domain	classover.com
Issuer Organization	Let's Encrypt
Issuer	Let's Encrypt Authority X3
Algorithm	RSA-SHA256
Valid form	08/09/2020
Expiration	11/07/2020
Signed	Certificate is not self signed
Additional Domains	classover.com www.classover.com

SSL Checker

Classover.com Server Information

Classover.com Server Location

Where website hosting server is located?

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Classover.com ASN Information

Information about IP address owner

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ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Updated: 07/01/2024

Raw ASN data:

#
# 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: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#

Geolocation

ASN Lookup

Classover.com Domain Name Information

Classover.com DNS Information

Domain name service records

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A
MX
NS
TXT
SOA

Host	A Record	TTL
classover.com	35.245.151.137	3600

Host	MX Record	Priority	TTL
classover.com	aspmx.l.google.com	1	3600
classover.com	alt3.aspmx.l.google.com	10	3600
classover.com	alt4.aspmx.l.google.com	10	3600
classover.com	alt1.aspmx.l.google.com	5	3600
classover.com	alt2.aspmx.l.google.com	5	3600

Host	NS Record	TTL
classover.com	ns-1386.awsdns-45.org	172800
classover.com	ns-1921.awsdns-48.co.uk	172800
classover.com	ns-571.awsdns-07.net	172800
classover.com	ns-9.awsdns-01.com	172800

Host	TXT Record	TTL
classover.com	ahrefs-site-verification_92d50f1b0ca7f8ca6a61fe321299c4bdc226eaa74d802403e11ef06ff5072a25	3600
classover.com	google-site-verification=Eh7l0VhRNoy5pVmsFBygqANGzpUv4afSKG33kutn09U	3600

Classover.com Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Classover.com HTML Validation

Classover.com W3C HTML Markup Validation

HTML markup errors and warnings

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Warnings:

Consider avoiding viewport values that prevent users from resizing documents.

The “type” attribute is unnecessary for JavaScript resources.

The “type” attribute for the “style” element is not needed and should be omitted.

Errors:

Element “script” must not have attribute “async” unless attribute “src” is also specified or unless attribute “type” is specified with value “module”.

Bad start tag in “img” in “head”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Stray end tag “noscript”.

A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “modulepreload”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.

Attribute “name” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.

Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)

Stray end tag “head”.

Start tag “body” seen but an element of the same type was already open.

Cannot recover after last error. Any further errors will be ignored.

HTML Validator

Classover.com Desktop Performance

How Well Classover.com Performs On Desktops?

Website desktop performance and usability tips

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Classover.com Mobile Performance

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