21tb.com Website Review

21tb.com - Basic Information

Server:
X-Web
IP:
Unknown
City:
Unknown

21tb.com - Pages Indexed

Baidu:
Bing:
Google:

21tb.com - Page Information

Title:
时代光华-企业数智化学习服务商
Meta keywords:
时代光华,企业培训,人才培养
Meta description:
时代光华是一家专业的企业培训机构,致力于为企业提供全方位的人才培养、组织管理、市场销售等方面的专业培训服务。
H1:
广告品牌策划模板

21tb.com - Site Technology

Server:
X-Web
SSL Secure:
Unavailable
robots.txt:
Unavailable
XML Sitemap:
Unavailable
Gzip Compress:
Available
favicon.ico:
Unavailable

21tb.com - HTTP Header Analysis

HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of 21tb.com:
HTTP/1.1 301 Moved Permanently
Server: X-Web
Date: Wed, 26 Jul 2023 08:17:10 GMT
Content-Type: text/html
Content-Length: 162
Connection: keep-alive
Keep-Alive: timeout=15
Location: http://www.21tb.com/

HTTP/1.1 301 Moved Permanently
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Date: Wed, 26 Jul 2023 08:17:05 GMT
Content-Length: 0
Location: https://www.21tb.com/
Origin-Agent-Cluster: ?0
X-Download-Options: noopen
X-XSS-Protection: 1; mode=block
Cache-Flow: 7309139591
P3P: CP=CAO PSA OUR
FAI-W-FLOW: 382506139
FAI-W-AGENT-AID: 15054508
Service-Lane: 7b1c216500b405fdb2ab4e1f11e8fec1
X-Content-Type-Options: nosniff
X-Permitted-Cross-Domain-Policies: none
Server: F-WEB

HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Date: Wed, 26 Jul 2023 07:16:00 GMT
FAI-CACHE-STATUS: SRC_NOT_UPDATE
Content-Encoding: gzip
P3P: CP=CAO PSA OUR
X-Download-Options: noopen
Cache-Flow: 4130140755
X-XSS-Protection: 1; mode=block
Service-Lane: 7b1c216500b405fdb2ab4e1f11e8fec1
X-Content-Type-Options: nosniff
FAI-W-FLOW: 86732139
FAI-W-AGENT-AID: 15054508
Origin-Agent-Cluster: ?0
X-Permitted-Cross-Domain-Policies: none
Server: F-WEB

21tb.com - DNS Record Analysis

Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 6 DNS record(s) of 21tb.com.
Host Type IP/Target TTL Extra Infomation
21tb.comA3600
21tb.comMX3600pri: 10
21tb.comMX3600pri: 20
21tb.comNS3600
21tb.comSOA3600expire: 1209600
serial: 2015011899
21tb.comTXT
v=spf1 ip4:120.132.46.36 ip4:120.132.46.37 -all
3600