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Server Lookup

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Just enter a URL to look up the IP address, operator, DNS settings, SSL certificate, security settings, and blacklist status of the server hosting the site.

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Server Lookup

Target: gifu-kousyoku.jp
Security Score
76/100
Malware / Blacklists
None detected
Checked 6 list(s)
IP Address 183.90.180.104
Reverse DNS Hostname tky004.rakko.zone
Network Operator DIGIROCK - DigiRock, Inc., JP
Location 日本 大阪府 大阪市

Server Location

Country 日本 (JP)
Region 大阪府
City 大阪市
Postal Code 540-0002
Latitude/Longitude 34.6778, 135.503
Time Zone Asia/Tokyo
ISP GMO DIGIROCK, Inc.
Organization XREA
View larger map (OpenStreetMap)
This location is an approximation based on the IP address. For data-center IP addresses, this often shows the network provider's registered address or a management site rather than where the server is physically located. Please note this does not indicate the exact physical location.

Malware & Blacklist Detection

Checks the domain/IP against public blacklists (DNSBLs) used to track sources reported for spam, phishing, or malware distribution.

ResultListQueried AgainstResponse
None detected Spamhaus DBL gifu-kousyoku.jp —
None detected SURBL gifu-kousyoku.jp —
None detected Spamhaus ZEN 183.90.180.104 —
None detected SpamCop 183.90.180.104 —
None detected Barracuda 183.90.180.104 —
None detected SORBS 183.90.180.104 —

Security Check

Good HTTPS通信 対応 暗号化通信でアクセスできます。
Good サーバー証明書 有効(残り65日) 有効な証明書が設定されています。
Info 証明書の認証レベル DV(ドメイン認証)/無料証明書 ドメインの使用権のみを確認して発行される証明書です。通信は暗号化されますが、運営組織の実在性は確認されていません。
Improve HSTS 未設定 HTTPSへの接続を強制します。設定するとHTTPへのダウングレード攻撃を防げます。
Improve CSP(コンテンツセキュリティポリシー) 未設定 読み込み可能なスクリプトを制限し、XSSの被害を抑えます。
Improve X-Frame-Options 未設定 他サイトへの埋め込みを禁止し、クリックジャッキングを防ぎます。
Improve X-Content-Type-Options 未設定 MIMEタイプの推測を無効化します(nosniff推奨)。
Improve Referrer-Policy 未設定 外部サイトへ送られるリファラ情報を制限します。
Improve Permissions-Policy 未設定 カメラや位置情報などの機能利用を制限します。
Good バージョン情報の露出 露出なし 詳細なバージョン情報は公開されていません。
Good ブラックリスト掲載 0 / 6 件 照会したブラックリストには登録されていません。

Server Certificate

DV(ドメイン認証) 無料証明書
ドメインの使用権のみを確認して発行される証明書です。通信は暗号化されますが、運営組織の実在性は確認されていません。
Validation Level DV(ドメイン認証)
Cost Category 無料証明書
Common Name (CN) www.gifu-kousyoku.jp
Subject Alternative Names (SAN) cpanel.gifu-kousyoku.jp cpcalendars.gifu-kousyoku.jp cpcontacts.gifu-kousyoku.jp gifu-kousyoku.jp mail.gifu-kousyoku.jp webdisk.gifu-kousyoku.jp webmail.gifu-kousyoku.jp www.gifu-kousyoku.jp
Hostname Match Match
Issuer Let's Encrypt YR2
Valid From 2026-08-21 15:04:52
Valid Until 2026-11-19 15:04:51 (65 day(s) left)
Signature Algorithm RSA-SHA256
Public Key RSA 2048 bit
Serial Number 06299D3EE402B0F7E0EA4CC83C113C358E76
Connection Protocol TLSv1.3 TLS_AES_256_GCM_SHA384
Certificate Chain 3 certificate(s)
Certificate Policy OID 2.23.140.1.2.1

Detailed Information

Domain Information (WHOIS)

Created 2025/07/01
Last Updated 2026/08/01 01:05:04 (JST)
Expires 2027/07/31
Status Active
Nameservers ns1.rakko.zone ns2.rakko.zone

IP Address Owner Information

IP Address 183.90.180.104
Reverse DNS Hostname tky004.rakko.zone
Network Name CORE-NET
Assigned To Japan Network Information Center
Address Range 183.90.180.0 - 183.90.180.255
Country JP
ASN 37907
AS Holder DIGIROCK - DigiRock, Inc., JP
Announced Prefix 183.90.176.0/21
Managing Registry apnic

DNS Records

A Record 183.90.180.104
MX Record 10 gifu-kousyoku.jp
NS Record ns2.rakko.zone ns1.rakko.zone
TXT Record v=spf1 +a +mx +ip4:183.90.180.104 ~all
SOA Record ns1.rakko.zone (hostmaster.gifu-kousyoku.jp)

HTTP Response Headers

HTTP Status 200
Final URL https://www.gifu-kousyoku.jp/
content-type text/html; charset=UTF-8
link <https://www.gifu-kousyoku.jp/wp-json/>; rel="https://api.w.org/" / <https://www.gifu-kousyoku.jp/wp-json/wp/v2/pages/22>; rel="alternate"; title="JSON"; type="application/json" / <https://www.gifu-kousyoku.jp/>; rel=shortlink
date Mon, 14 Sep 2026 10:15:13 GMT
server LiteSpeed
alt-svc h3=":443"; ma=2592000, h3-29=":443"; ma=2592000, h3-Q050=":443"; ma=2592000, h3-Q046=":443"; ma=2592000, h3-Q043=":443"; ma=2592000, quic=":443"; ma=2592000; v="43,46"

* This lookup only performs DNS queries, WHOIS, RDAP, a TLS handshake, and an HTTP fetch — no port scanning or vulnerability testing is performed against the target server. Blacklist results reflect each list provider's own judgment; being listed or not does not by itself indicate danger.

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