21ks.net 公务员期刊网-首页

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21ks.net Overview

21ks.net ranking shows that the page is at position 243,169 over the world.

21ks.net hosting company servers are placed in the China, but, unfortunately, it’s not possible to identify the countries where the bulk of 21ks.net users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on CHINANET-BACKBONE No.31,Jin-rong Street, CN servers.

In terms of rank-to-traffic ratio, 21ks.net has 2,012 unique users per day, viewing 3,017 pages. The rank based value of 21ks.net is 56,822 USD. Every user makes 1.61 pageviews on average.

21ks.net boasts a link base consisting of 356 referring domains and 377 external backlinks, as revealed by the data obtained from web network scanning.

21ks.net top-level domain belongs to .NET domain zone. Check other webpages in .NET zone.

According the last verification test in August 06, 2024, 21ks.net has an expired SSL certificate issued by TrustAsia Technologies, Inc. (expired on March 25, 2025). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by TrustAsia Technologies, Inc..

Based on data from Google Safe Browsing, Google Safe Search and Symantec 21ks.net is a fairly safe domain.

According the Mobile-Friendly test by Google 21ks.net is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

21ks.net Rank Summary

Global Rank

243,169

Average Load Time

2.22sec

Links In Count

165

Website Value

$52,613

Audience Geography. Where are 21ks.net visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on 21ks.net?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is 21ks.net?

Period	Global Rank	Global Rank Delta
past 3 months	243169	106060
past month	1017280	597187
past week	345046	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	367509	163391	11	-49.927%	1.5	0%
30	1431247	808254	2	-71.043%	1	-24.81%
7	536611	0	7	0%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	210708	90842	27	-49.915%
30	833226	471270	6	-61.406%
7	269309	0	3	0%

21ks.net Website Safety

Overview

Last Updated: 05/08/2026

Overall result - 21ks.net is safe.

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: 03/29/2026

21ks.net is safe.

Norton ConnectSafe evaluates 21ks.net for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 09/08/2019

21ks.net is safe.

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: 01/09/2019

21ks.net 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: 02/28/2021

21ks.net is safe.

McAfee assesses 21ks.net 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 21ks.net for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 05/08/2026

21ks.net child safety is unknown.

The WOT calculates reputation of the 21ks.net. This reputation system receives ratings from users and information from third-party sources, assesses the 21ks.net for safety features and confirms, whether 21ks.net is suitable for children.

SSL Information

SSL Checker Tool

Domain	21ks.net
Issuer Organization	TrustAsia Technologies, Inc.
Issuer	TrustAsia RSA DV TLS CA G2
Algorithm	RSA-SHA384
Valid form	03/25/2024
Expiration	03/25/2025
Signed	Certificate is not self signed
Additional Domains	21ks.net www.21ks.net

21ks.net Rank History

Alexa Rank shows how popular 21ks.net is in comparison with other sites. The most popular site has Alexa Rank equals 1. If 21ks.net has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to 21ks.net and pageviews on 21ks.net over the past 3 months.

21ks.net Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 4134

ASN Title: CHINANET-BACKBONE No.31,Jin-rong Street, CN

Last Update: 05/03/2026

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS4134'

% Abuse contact for 'AS4134' is 'anti-spam@ns.chinanet.cn.net'

aut-num: AS4134
as-name: CHINANET-BACKBONE
descr: No.31,Jin-rong Street
descr: Beijing
descr: 100032
country: CN
remarks: for backbone of chinanet
admin-c: CH93-AP
tech-c: CH93-AP
mnt-by: MAINT-CHINANET
mnt-irt: IRT-CHINANET-CN
mnt-routes: MAINT-CHINANET
last-modified: 2016-10-17T00:30:13Z
source: APNIC

irt: IRT-CHINANET-CN
address: No.31 ,jingrong street,beijing
address: 100032
e-mail: anti-spam@ns.chinanet.cn.net
abuse-mailbox: anti-spam@ns.chinanet.cn.net
admin-c: CH93-AP
tech-c: CH93-AP
auth: # Filtered
mnt-by: MAINT-CHINANET
last-modified: 2010-11-15T00:31:55Z
source: APNIC

person: Chinanet Hostmaster
nic-hdl: CH93-AP
e-mail: anti-spam@ns.chinanet.cn.net
address: No.31 ,jingrong street,beijing
address: 100032
phone: +86-10-58501724
fax-no: +86-10-58501724
country: CN
mnt-by: MAINT-CHINANET
last-modified: 2014-02-27T03:37:38Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

21ks.net Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: 21KS.NET
Registry Domain ID: 204003811_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.west.cn
Registrar URL: http://www.west.cn/
Updated Date: 2025-01-15T10:26:13Z
Creation Date: 2005-09-01T02:46:59Z
Registry Expiry Date: 2027-09-01T02:46:59Z
Registrar: Chengdu West Dimension Digital Technology Co., Ltd.
Registrar IANA ID: 1556
Registrar Abuse Contact Email: abuse@west.cn
Registrar Abuse Contact Phone: 86.28.62778877
Domain Status: ok https://icann.org/epp#ok
Name Server: F1G1NS1.DNSPOD.NET
Name Server: F1G1NS2.DNSPOD.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-03-20T00:09:06Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
21ks.net	112.84.186.247	600

Host	MX Record	Priority	TTL

Host	NS Record	TTL
21ks.net	f1g1ns2.dnspod.net	86400
21ks.net	f1g1ns1.dnspod.net	86400

Host	TXT Record	TTL

f1g1ns1.dnspod.net
TTL: 180
Email address: freednsadmin.dnspod.com
Serial: 1733132238
Refresh: 3600
Retry: 180
Expire: 1209600
Minimum: 180

21ks.net HTML Check

HTML Validation Tool

Errors

Malformed byte sequence: “b9”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “af”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “db”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “ef”, “b0”.

Malformed byte sequence: “e9”, “b9”.

Malformed byte sequence: “d8”.

Malformed byte sequence: “a3”.

Malformed byte sequence: “ac”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “ed”, “a1”, “a2”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “be”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “e2”, “b7”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “f1”, “ba”.

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “gb2312” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=gb2312” for attribute “content” on element “meta”: “gb2312” is not a preferred encoding name. The preferred label for this encoding is “gbk”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “c9”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “f3”, “ba”.

Malformed byte sequence: “dc”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “d5”.

Malformed byte sequence: “ed”, “b4”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “b0”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “e1”, “b3”.

Malformed byte sequence: “e7”, “bb”.

Malformed byte sequence: “e5”, “b7”.

Malformed byte sequence: “f1”, “b5”.

Malformed byte sequence: “ed”, “bf”.

Malformed byte sequence: “f3”, “b6”, “ab”.

Malformed byte sequence: “eb”, “ba”.

Malformed byte sequence: “eb”, “b7”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “e0”, “bd”.

Malformed byte sequence: “e1”, “ba”.

The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.

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

Malformed byte sequence: “ed”, “b9”, “a4”.

Malformed byte sequence: “e5”, “ba”.

Malformed byte sequence: “e5”, “bb”.

Malformed byte sequence: “ed”, “a1”, “a3”.

Malformed byte sequence: “ed”, “bc”.

Malformed byte sequence: “ee”, “b5”.

Malformed byte sequence: “e5”, “bf”.

Malformed byte sequence: “da”.

Malformed byte sequence: “df”.

Malformed byte sequence: “d9”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “e3”, “b4”.

Malformed byte sequence: “e5”, “bc”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “b2”.

Malformed byte sequence: “eb”, “bb”.

Malformed byte sequence: “e1”, “bc”.

Malformed byte sequence: “de”.

Malformed byte sequence: “e5”, “bd”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “ea”, “b2”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “e2”, “bb”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “f3”, “bc”.

Malformed byte sequence: “ea”.

Warnings

The value of attribute “content” on element “meta” from namespace “http://www.w3.org/1999/xhtml” starts with a composing character.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Text run is not in Unicode Normalization Form C.

Text run starts with a composing character.

NON-DOCUMENT-ERROR

Too many messages.

21ks.net Desktop Performance

Last tested: 06/01/2017

Desktop Speed

80%

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Enable compression

Optimize images

Desktop Resource Breakdown

Total Resources	32
Number of Hosts	8
Static Resources	23
JavaScript Resources	8
CSS Resources	2

21ks.net Mobile Insights

Last tested: 05/28/2017

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

49%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Enable compression

Leverage browser caching

Optimize images

Minify JavaScript

Mobile Resource Breakdown

Total Resources	28
Number of Hosts	5
Static Resources	19
JavaScript Resources	11
CSS Resources	2

21ks.net Common Typos

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www.21kas.net

21ks.net 公务员期刊网-首页

公务员期刊网在线提供学术咨询、期刊咨询、杂志订阅服务，一站式期刊推荐咨询服务，让您省时省力！

21ks.net Overview

21ks.net Rank Summary

21ks.net Website Safety

21ks.net Rank History

21ks.net Hosting Information

21ks.net Domain Registration and Settings

21ks.net HTML Check

21ks.net Desktop Performance

21ks.net Mobile Insights

21ks.net Similar Audits

21ks.net Common Typos