oss-db.jp ▶ トップページ

Oss-db.jp | Key Trends

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 11/01/2026

Oss-db.jp attracts 1,511 unique visitors daily, generating 1,511 pageviews. The estimated value of oss-db.jp is 18,746 USD. Each visitor views approximately 1.07 pages on average.

According to Majestic's traffic estimates, oss-db.jp ranks 23,079 globally.

See the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

Oss-db.jp is registered with the .JP top-level domain. Explore additional websites within the .JP zone.

A recent examination on (August 06, 2024), indicates that oss-db.jp has an expired SSL certificate issued by Let's Encrypt (expired on October 06, 2024). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search and Symantec oss-db.jp appears to be a safe domain.

Based on Google's Mobile-Friendly test, oss-db.jp is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Oss-db.jp | General Site Information

Global Rank

489,560

Average Load Time

0.88sec

Links In Count

Website Value

$17,520

Audience Geography. Where are oss-db.jp visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on oss-db.jp?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is oss-db.jp?

Period	Global Rank	Global Rank Delta
past 3 months	489560	-439449
past month	322873	-278520
past week	178787	-178256

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	818902	-595640	3	100%	1	0%
30	561224	-371627	6	100%	1	0%
7	332504	-223890	1	100%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	379193	-369132	1	100%
30	245004	-231187	2	100%
7	134388	-150609	5	100%

Oss-db.jp | Safety and Security Details

Overview

Last Updated: 11/01/2026

Overall result - oss-db.jp 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: 04/02/2026

oss-db.jp is safe.

Norton ConnectSafe evaluates oss-db.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 01/06/2017

oss-db.jp 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

oss-db.jp 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: 03/02/2021

oss-db.jp is safe.

McAfee assesses oss-db.jp 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 oss-db.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 11/01/2026

oss-db.jp child safety is unknown.

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

Oss-db.jp | SSL Certificate Information

SSL Checker Tool

Domain	oss-db.jp
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	07/08/2024
Expiration	10/06/2024
Signed	Certificate is not self signed
Additional Domains	oss-db.jp

Oss-db.jp | Server and Hosting Details

Server Location

Geolocation Tool

Oss-db.jp ASN Information

ASN Lookup Tool

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 05/03/2026

ASN Whois

#
# 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: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-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.
#

Oss-db.jp | Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information: [ドメイン情報]
[Domain Name] OSS-DB.JP

[登録者名] 一般社団法人エデュコ
[Registrant] General Incorporated Association EDUCO

[Name Server] 01.dnsv.jp
[Name Server] 02.dnsv.jp
[Signing Key]

[登録年月日] 2010/07/23
[有効期限] 2025/07/31
[状態] Active
[ロック状態] DomainTransferLocked
[ロック状態] AgentChangeLocked
[最終更新] 2024/08/01 01:05:04 (JST)

Contact Information: [公開連絡窓口]
[名前] 一般社団法人エデュコ
[Name] General Incorporated Association Educo
[Email] tech@lpi.or.jp
[Web Page]
[郵便番号] 100-0011
[住所] 東京都千代田区
内幸町 2-1-1
飯野ビルディング 9階
[Postal Address] Chiyoda ku
2-1-1 Uchisaiwaicho
Iino Building 9F
[電話番号] 03-6205-7025
[FAX番号]

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Oss-db.jp | HTML Validation Report

HTML Validation Tool

Warnings

The “charset” attribute on the “script” element is obsolete.

The “banner” role is unnecessary for element “header”.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The first occurrence of ID “data” was here.

Errors

Attribute “async” not allowed on element “link” at this point.

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 “ab_test_id” not allowed on element “div” at this point.

Attribute “campaign_id” not allowed on element “div” at this point.

Attribute “form_page” not allowed on element “div” at this point.

Attribute “is_ab_test” not allowed on element “div” at this point.

Attribute “obj_id” not allowed on element “div” at this point.

Attribute “obj_type” not allowed on element “div” at this point.

Attribute “page_title” not allowed on element “div” at this point.

CSS: “color”: “0” is not a “color” value.

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

CSS: “width”: Parse Error.

CSS: “display”: Parse Error.

CSS: “font-family”: Parse Error.

Attribute “show-control-nav” not allowed on element “div” at this point.

CSS: “margin”: “px” is not a “margin” value.

Duplicate ID “data”.

Stray end tag “img”.

CSS: “color”: Parse Error.

The “itemprop” attribute was specified, but the element is not a property of any item.

Oss-db.jp | Desktop Performance Insights

Last tested: 01/27/2019

Desktop

Desktop Speed

47%

Optimize images

Leverage browser caching

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

Enable compression

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	110
Number of Hosts	9
Static Resources	102
JavaScript Resources	9
CSS Resources	6

Oss-db.jp | Mobile Performance Insights

Last tested: 01/27/2019

Mobile

Mobile Usability

62%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

35%

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

Leverage browser caching

Optimize images

Enable compression

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	110
Number of Hosts	9
Static Resources	102
JavaScript Resources	9
CSS Resources	6

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Oss-db.jp トップページ

OSS-DB技術者認定は、PostgreSQLを基準としたオープンソースデータベースの知識とスキルを中立的な立場で認定します。運用管理のスキルを証明する「Silver」と、その上位に位置する「Gold」の２つのレベルから構成されます。

Oss-db.jp | Key Trends

Oss-db.jp | General Site Information

Oss-db.jp | Safety and Security Details

Oss-db.jp | Server and Hosting Details

Oss-db.jp | Domain Name Information

Oss-db.jp | HTML Validation Report

Oss-db.jp | Desktop Performance Insights

Oss-db.jp | Mobile Performance Insights

Oss-db.jp | Competitors Analysis

Oss-db.jp | Common Typographical Errors