nslookuptool.com/chs/ DNS 调度原理 本节转自:【网易MC】DNS 调度原理解析 现在,大部分应用和业务都采用域名作为服务的入口,因此用 DNS 来负载均衡和区域调度是非常普遍的做法,网易云也有着一套基于 DNS 的调度系统。某些用户在进行直播推流时用的并不是网易云的直播 SDK,而是一些第三方的推流软件,如obs,这样...
facebook.github.com is an alias for github.map.fastly.net. github.map.fastly.net has address 103.245.222.133 @网络工程师俱乐部 host命令也可以用于逆向查询,即从IP地址查询域名,等同于dig-x 。 $ host 192.30.252.153 153.252.30.192.in-addr.arpa domain name pointer pages.github.com. 02 nslookup 命...
host命令也可以用于逆向查询,即从IP地址查询域名,等同于dig -x <ip>。 $ host192.30.252.153153.252.30.192.in-addr.arpa domain name pointer pages.github.com. (2)nslookup 命令 nslookup命令用于互动式地查询域名记录。 $ nslookup>facebook.github.io Server:192.168.1.253Address:192.168.1.253#53Non-author...
DNS(Domain Name System),即域名系统。它使用层次结构的命名系统,将域名和IP地址相互映射,形成一个分布式数据库系统。 DNS采用C-S架构,服务器端工作在UDP协议端口53和TCP协议端口53上。FQDN(Fully Qualified Domain Name)完全限定域名,它是使用DNS的树状层级结构的完全路径域名来表示一个准确位置对应的主机。DNS提供正...
Clients not registered in Forward lookup DNS Cname for root domain Cname Record for an External Site Conditional forwarders vs forward lookup zones Configure DNS to display internal website instead of router page Configure Public DNS Server like Google 8.8.8.8 on windows server 2008 Configure Server...
Lookup CNAME record: nslookup -type=CNAME hostens.com Lookup TXT record: nslookup -type=TXT hostens.com Other DNS records you can check by replacing the DNS record type, for example, nslookup -type=SOA domainname. Also, there are other commands which you can use to check DNS records, fo...
the canonical name for that host. Setting up a PTR record for a hostname in the in-addr.arpa domain that corresponds to an IP address implements reverse DNS lookup for that address. For example www.name.net has the IP address 122.0.3.16, but a PTR record maps 16.3.0.122.in-addr.arpa...
import dns.resolver def query_dns_record(domain, record_type): try: answers = dns.resolver.resolve(domain, record_type) for rdata in answers: print(f'{domain} 的 {record_type} 记录是: {rdata}') except dns.resolver.NXDOMAIN: print(f'域名 {domain} 不存在') except dns.resolver.NoAnswer...
在Windows中使用nslookup: 打开命令提示符,输入: nslookup www.example.com 如果DNS配置正确,您应该能看到您的域名解析到正确的IP地址。 在Linux或Mac中使用dig: 打开终端,输入: dig www.example.com 您将看到类似如下的输出: ;;ANSWER SECTION: www.example.com.3600IN A123.45.67.89 ...
A lookup for DNS queries the Domain Name System and translates hostnames into IP addresses. It also reverses IP addresses and points them into hostnames. Use our tool below by entering a domain, hostname, IPv4 or IPv6 address in the input field. Select a DNS resource record type (...