crawford-services.com 网站分析
crawford-services.com - 基本信息
crawford-services.com - 页面信息
标题:
HVAC Contractor Dallas - Fort Worth | Crawford ServicesMeta 关键词:
未知Meta 描述信息:
Crawford Services is the Dallas - Fort Worth area's expert heating and cooling contractor. Call us today for all your repair and installation needs!H1:
未知内部链接:
33 (0 nofollow)外部链接:
6 (0 nofollow)crawford-services.com - 建站技术
服务器:
nginx
SSL 安全:
不可用robots.txt:
不可用XML 站点地图:
不可用Gzip 压缩:
有效favicon.ico:
不可用crawford-services.com - HTTP Head 分析
HTTP 协议采用了请求与响应模型，通过 HTTP Header 定义了 HTTP 传输过程中的必要参数。 浏览器（例如 Internet Explorer, Google Chrome, Firefox 等）并不会显示 HTTP header 字段的内容，下面是网站 crawford-services.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Server: nginx
Date: Sun, 31 May 2020 18:43:09 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 11606
Connection: keep-alive
Link: <https://crawford-services.com/wp-json/>; rel="https://api.w.org/", <https://crawford-services.com/>; rel=shortlink
Vary: Accept-Encoding
Content-Encoding: gzip
Age: 10730
X-Cache: HIT
Accept-Ranges: bytes
Server: nginx
Date: Sun, 31 May 2020 18:43:09 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 11606
Connection: keep-alive
Link: <https://crawford-services.com/wp-json/>; rel="https://api.w.org/", <https://crawford-services.com/>; rel=shortlink
Vary: Accept-Encoding
Content-Encoding: gzip
Age: 10730
X-Cache: HIT
Accept-Ranges: bytes
crawford-services.com - DNS 记录分析
DNS 域名系统（Domain Name System，缩写）是 Internet 的一项基础服务。它作为将域名和IP地址相互映射的一个分布式数据库，能够使人更方便地访问互联网。crawford-services.com 当前共有 5 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| crawford-services.com | A | 14400 | ||
| crawford-services.com | MX | 14400 | pri: 0 | |
| crawford-services.com | NS | 86400 | ||
| crawford-services.com | NS | 86400 | ||
| crawford-services.com | SOA | 86400 | expire: 3600000 serial: 2015061801 |