centossrv.com - CentOSで自宅サーバー構築

Quick Summary

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 02/04/2023

Over the time centossrv.com has been ranked as high as 24,435 in the world, while most of its traffic comes from Japan, where it reached as high as 13,476 position.

Centossrv.com receives about 2,171 unique visitors and 3,039 pageviews per day. The estimated value of centossrv.com is 59,130 USD. Each unique visitor makes about 1.4 pageviews on average.

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

At the time of the last check (April 28, 2021) centossrv.com has an expired SSL certificate issued by Let's Encrypt (expired on July 23, 2021). Check other websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search and Symantec centossrv.com is quite a safe domain.

Mobile-Friendly test indicates that centossrv.com is well optimized for mobile and tablet devices.

Centossrv.com General Information

Global Rank

226,032

Average Load Time

1.10sec

Links In Count

281

Website Value

$59,130

Audience Geography. Where are centossrv.com visitors located?

Country	Rank
Japan JP	13476

Country	Percent of Pageviews
Japan JP	97.6%
Other	2.4%

Country	Percent of Visitors
Japan JP	98.1%
Other	1.9%

Where do visitors go on centossrv.com?

Subdomain	Pageviews
centossrv.com	100%

Subdomain	Pageviews per User
centossrv.com	1.6

Subdomain	Reach
centossrv.com	100%

How popular is centossrv.com?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	198110	7266	29	-4.46%
30	138017	-89318	46	90%
7	129252	-81655	5	80%
1	120346	-4568	7	2%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	334468	65104	12	-23.56%	1.4	-19.89%
30	225373	-223403	2	100%	1.6	30%
7	237904	-240292	2	100%	1	40%
1	151455	-5512	4	2%	2	0%

Period	Global Rank	Global Rank Delta
past 3 months	226032	21608
past month	154634	-120170
past week	150265	-117939
yesterday	115340	-4140

Centossrv.com Alexa Rank History

Alexa Rank shows how popular centossrv.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If centossrv.com 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 centossrv.com and pageviews on centossrv.com over the past 3 months.

Centossrv.com Safety Information

Overview

Last Updated: 05/03/2024

Overall result - "centossrv.com" 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: 03/22/2024

centossrv.com is safe.

Norton ConnectSafe evaluates centossrv.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/12/2019

centossrv.com 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

Malware not found at "centossrv.com".
"centossrv.com" is not a phishing page.
"centossrv.com" does not install unwanted software.
"centossrv.com" does not contain harmfull applications.
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: 02/23/2021

centossrv.com is safe.

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

Web of Trust

Last Updated: 05/03/2024

centossrv.com child safety isunknown.

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

SSL Information

SSL Checker Tool

Domain	centossrv.com
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	04/24/2021
Expiration	07/23/2021
Signed	Certificate is not self signed
Additional Domains	centossrv.com

Centossrv.com Server Information

Server Location

Geolocation Tool

Tokyo

Japan

ASN Information

ASN Lookup Tool

ASN ID: 2519
ASN Title: VECTANT ARTERIA Networks Corporation, JP

Last Update: 10/04/2023

ASN Whois

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

% Information related to 'AS2497 - AS2528'

as-block: AS2497 - AS2528
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2017-06-12T03:54:29Z
source: APNIC

role: Japan Network Information Center
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047,Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC

% Information related to 'AS2519'

aut-num: AS2519
as-name: VECTANT
descr: ARTERIA Networks Corporation
import: from AS2516 100 accept ANY
import: from AS2914 100 accept ANY
import: from AS10026 100 accept ANY
export: to AS2516 announce AS2519
export: to AS2914 announce AS2519
export: to AS10026 announce AS2519
country: JP
admin-c: IH010JP
tech-c: KA24555JP
tech-c: MA2355JP
last-modified: 2016-11-19T00:26:29Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Centossrv.com Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: CENTOSSRV.COM
Registry Domain ID: 252915677_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.enom.com
Registrar URL: http://www.enomdomains.com
Updated Date: 2017-03-03T17:14:13Z
Creation Date: 2005-11-11T04:19:47Z
Registry Expiry Date: 2025-11-11T04:19:47Z
Registrar: eNom, LLC
Registrar IANA ID: 48
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.CENTOSSRV.COM
Name Server: NS1.MAIHAMA-NET.COM
Name Server: NS3.MAIHAMA-NET.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-02T22:06:40Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
centossrv.com	122.103.187.89	86400

Host	MX Record	Priority	TTL
centossrv.com	centossrv.com	10	86400

Host	NS Record	TTL
centossrv.com	ns1.maihama-net.com	86400
centossrv.com	ns3.maihama-net.com	86400
centossrv.com	ns1.centossrv.com	86400

Host	TXT Record	TTL
centossrv.com	v=spf1 ip4:122.103.187.89 ~all	86400

ns1.centossrv.com
TTL: 86400
Email address: root.centossrv.com
Serial: 2018021601
Refresh: 7200
Retry: 7200
Expire: 2419200
Minimum: 86400

Centossrv.com HTML Validation

HTML Validation Tool

Errors

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

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

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.

Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.

Bad value “Pragma” for attribute “http-equiv” on element “meta”.

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Bad value “Expires” for attribute “http-equiv” on element “meta”.

Malformed byte sequence: “82”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “91”.

Malformed byte sequence: “ee”, “83”.

Malformed byte sequence: “81”.

Malformed byte sequence: “83”.

Malformed byte sequence: “8d”.

Malformed byte sequence: “92”.

Malformed byte sequence: “90”.

Malformed byte sequence: “8f”.

Malformed byte sequence: “ee”, “95”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “93”.

Malformed byte sequence: “8b”.

Malformed byte sequence: “97”.

Malformed byte sequence: “85”.

Malformed byte sequence: “8e”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “96”.

Malformed byte sequence: “e2”, “8c”.

Malformed byte sequence: “a6”.

Malformed byte sequence: “94”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “88”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “8a”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “8c”.

Malformed byte sequence: “9f”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “95”.

Malformed byte sequence: “9d”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “e8”, “81”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “f0”, “97”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “e9”, “82”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “ea”, “82”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “c9”.

Malformed byte sequence: “87”.

Malformed byte sequence: “a0”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “98”.

Malformed byte sequence: “e9”, “8b”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “af”.

Forbidden code point U+008f.

Element “table” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Forbidden code point U+0082.

Malformed byte sequence: “a2”.

Malformed byte sequence: “ee”, “82”.

Malformed byte sequence: “ec”, “82”.

Malformed byte sequence: “e7”, “82”.

Malformed byte sequence: “e9”, “81”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “9e”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “89”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “f1”, “8f”.

Malformed byte sequence: “e3”, “8c”.

Malformed byte sequence: “ed”, “81”.

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: “ca”.

Malformed byte sequence: “e6”, “82”.

Malformed byte sequence: “e9”, “83”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “e8”, “82”.

Malformed byte sequence: “f1”, “8c”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “e8”, “83”.

Malformed byte sequence: “e9”, “8f”.

Malformed byte sequence: “e2”, “81”.

Duplicate attribute “class”.

Forbidden code point U+008b.

Forbidden code point U+0094.

Malformed byte sequence: “bc”.

Malformed byte sequence: “f3”, “90”.

Malformed byte sequence: “df”.

Malformed byte sequence: “9c”.

Malformed byte sequence: “80”.

Malformed byte sequence: “e7”, “83”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “e2”, “83”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “bb”.

Warnings

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

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

NON-DOCUMENT-ERROR

Too many messages.

Centossrv.com Desktop Insights

Desktop Page Insights Tool

Last tested: 11/20/2016

Desktop

Desktop Speed

88%

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

Leverage browser caching

Enable compression

Minify HTML

Optimize images

Minify CSS

Desktop Resource Breakdown

Total Resources	34
Number of Hosts	12
Static Resources	17
JavaScript Resources	11
CSS Resources	2

Centossrv.com Mobile Insights

Mobile Page Insights Tool

Last tested: 11/20/2016

Mobile

Mobile Usability

62%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

73%

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

Leverage browser caching

Enable compression

Minify JavaScript

Optimize images

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	103
Number of Hosts	33
Static Resources	54
JavaScript Resources	35
CSS Resources	7

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Centossrv.com CentOSで自宅サーバー構築

CentOSで自宅サーバー構築

Quick Summary

Centossrv.com General Information

Centossrv.com Alexa Rank History

Centossrv.com Safety Information

Centossrv.com Server Information

Centossrv.com Domain Name Information

Centossrv.com HTML Validation

Centossrv.com Desktop Insights

Centossrv.com Mobile Insights

Centossrv.com Nearest Competitors

Centossrv.com Typos