www.pr.com 網站分析
www.pr.com - 基本信息
服務器:
Apache/2.4.6 (CentOS)
IP:
未知城市:
未知www.pr.com - 頁面信息
標題:
PR.com: Directory of Businesses Jobs Press Releases Products Services Articles - Find CompaniesMeta 關鍵詞:
business free press releases b2b search advertising aerospace defense agriculture airlines automotive chemicals computers electronics semiconductors energy utilities financial services food beverage healthcare industrial goods internet online media entertainment pharmaceuticals professional real estate construction retail telecommunications transportation travel leisure companiesMeta 描述信息:
Comprehensive Directory of Businesses, Jobs, Products, Services, Press Releases, News, & Articles in all Industries. Promote your business. FREE. Find full company profiles.H1:
未知內部鏈接:
87 (1 nofollow)外部鏈接:
4 (1 nofollow)www.pr.com - 建站技術
服務器:
Apache/2.4.6 (CentOS)
SSL 安全:
不可用robots.txt:
不可用XML 站點地圖:
不可用Gzip 壓縮:
有效favicon.ico:
不可用www.pr.com - HTTP Head 分析
HTTP 協議採用了請求與響應模型，通過HTTP Header 定義了HTTP 傳輸過程中的必要參數。瀏覽器（例如Internet Explorer, Google Chrome, Firefox 等）並不會顯示HTTP header 字段的內容，下面是網站www.pr.com 的HTTP header 信息:
HTTP/1.1 200 OK
Date: Sun, 31 May 2020 18:13:54 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 4637
Connection: keep-alive
Server: Apache/2.4.6 (CentOS)
Set-Cookie: PHPSESSID=e9024t1gfhpjrn5lqnsc1394r0; path=/; domain=.pr.com
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding
Content-Encoding: gzip
Date: Sun, 31 May 2020 18:13:54 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 4637
Connection: keep-alive
Server: Apache/2.4.6 (CentOS)
Set-Cookie: PHPSESSID=e9024t1gfhpjrn5lqnsc1394r0; path=/; domain=.pr.com
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding
Content-Encoding: gzip
www.pr.com - DNS 記錄分析
DNS 域名系統（Domain Name System，縮寫）是Internet 的一項基礎服務。它作為將域名和 IP 位址相互映射的一個分佈式數據庫，能夠使人更方便的訪問互聯網。 pr.com 當前共有 7 項 DNS 記錄。
| 主機 | 類型 | IP/目標 | TTL | 擴充資訊 |
|---|---|---|---|---|
| pr.com | A | 300 | ||
| pr.com | MX | 300 | pri: 0 | |
| pr.com | NS | 300 | ||
| pr.com | NS | 300 | ||
| pr.com | SOA | 300 | expire: 1814400 serial: 1433508308 | |
| pr.com | TXT | v=spf1 include:spf.protection.outlook.com include:spf.messagelabs.com include:mailgun.org a:smtp.cyberwarp.net a:mail-hub101.pr.com ip4:209.51.166.0/24 ip4:216.66.38.232 ~all | 300 | |
| pr.com | TXT | MS=ms80787436 | 300 |