How to find a server address: use of the server address lookup tool

Hands-on server address lookup

Engaged in the development of friends have encountered this situation: a site suddenly can not open the wind, or their own program can not connect to the server. This time the most practical way isCheck the server address first.The first thing you need to do is to find a way to get rid of the problem. Don't rush to the Ops, we can fix it ourselves with these few dirt methods.

Browser's own detective function

Press F12 to open Developer Tools and refresh the page in the Network tab. See the red box in theRemote AddressNo? This is the real address of the server. But be careful, nowadays many websites use CDN, the display may be a fake address.

// As an example:
Request address: api.example.com
Actual IP: 203.0.113.5 (may be hidden by CDN)

Black technology at the command line

Windows press Win+R and type cmd, Mac open Terminal. Typenslookup Web siteFor example, if you are looking for a certain store, you can see the parsing result immediately. For example, check a certain treasure:

nslookup www.taobao.com
Non-authoritative response:
Name: www.taobao.com.danuoyi.tbcache.com
Addresses: 140.205.220.96
          140.205.220.79

The right way to open a proxy IP

Some sites will block the regular query, this time you have to use a proxy IP as a "cloak". RecommendedDynamic residential IP for ipipgoThe operation is as simple as ordering takeout:

 Python Example
import requests

proxy = {
    'http': 'http://用户名:密码@gateway.ipipgo.com:端口',
    'https': 'https://用户名:密码@gateway.ipipgo.com:端口'
}

response = requests.get('http://example.com', proxies=proxy)
print(response.text)

Guidelines on demining of common problems

Q：Why is the IP not accurate?
A: Now the site have learned the fine, with CDN, cloud protection of these blindfolds. It is recommended to use proxy IPs in different regions to query multiple times. ipipgo's global nodes will come in handy at this time.

Q: Do the free tools work?
A: Temporary use can be used, but professional things still need professional tools. Like we have a customer to do price monitoring, with a free proxy for three days or so offline, replaced with ipipgo static residential IP, stability directly pull full.

Q: Is it illegal to check server addresses?
A: As long as it's not used for attacking or stealing data, a simple query is as legitimate as checking map navigation. But remember to abide by the website robots agreement, don't crash people's servers.

Why ipipgo?

Experience used by the family: last month to do data collection, the ordinary agent is always ban. switch to theipipgo's TK lineAfter the success rate soared from 47% to 92%. the key is that their packages are flexible, small teams with dynamic residential standard version, more than 7 pieces of 1 G is enough for a month, enterprise-level needs also have an exclusive program.

Finally, a nagging word: check the server address is like looking for courier sites, with the right method to save time and effort. Encountered a difficult bone, remember to live with the proxy IP this magic weapon. Technology this thing, the tool to get twice the result with half the effort is not?