How to query website DNS?Online detection tool for server IP address resolution records

Websites are accessible by domain name, which is achieved through the resolution of the domain name's records on its DNS server.

• Generally, websites with only IPv4 addresses only have A records.
• Websites with IPv6 addresses will have AAAA records.
• When a website is migrated to another server, or its IP address is changed, its record on the DNS server needs to be modified.
• Typically, this modification takes effect within 5 to 15 minutes.
• This effect is only for the DNS server itself, and it takes longer for this modification to take effect synchronously on all DNS servers around the world.
• Generally, it varies from 1 hour to 72 hours.
• Of course, this synchronization can be obtained by querying DNS servers located around the world.

How to query the IP address resolution records of a website's DNS?

Next, shareChen WeiliangUsed to query the global synchronization of the IP address resolution records of the website DNSOnline Tools.

If you use an online tool to query the IP address resolution record of the website DNS, some of the queried servers may be down due to excessive traffic, and the query timeout will display an error. X the case...not necessarily that the DNS for this region did not successfully resolve the IP address.

Therefore, we need to use multiple online tools to query the IP address resolution records of the website DNS for comparison and confirmation.

• It is recommended to use DNS Checker and WhatsMyDNS for query comparison.
• DNS Map is for reference only because there are not many IP address resolution records for servers that can query the DNS of a website.

DNS Checker Query the IP address resolution record of the DNS of the website

DNS Checker provides servers of major DNS service providers as test objects ▼

• DNS Checker tests the same record types as WhatsMyDNS.

WhatsMyDNS query website DNS IP address resolution records

There is a world map here, and the tick on the map is to obtain the DNS server that resolves records as usual ▼

• The IP address seen on the left is already new, and the IP address before modification is the IP address starting with 50.
• In addition to querying A record's sync records, this tool can also query A record's sync AAAA, CNAME, MX, NS, PTR, SOA, SRV, TXT, and CAA records.
• The server queried by WhatsMyDNS is the DNS server used by ISPs around the world.

DNS Map Query the IP address resolution record of the DNS of the website

This is another online tool that uses more DNS servers. In addition to the DNS servers used by ISPs, there are also many DNS servers such as Google that provide security services ▼

• DNS Map can also query several other records besides the A record. 

Online detection of local computer resolution server IP address recording tool

When DNS records all over the world are in sync, but your own computer may still be accessing the old IP address, this may be caused by your local DNS cache.

The local computer can use the FlushDNS command to discard the cache and reset theObtainDNS server resolution records, please browse the following tutorial ▼

How to force refresh to clear Windows10/MAC/Linux/CentOS DNS cache?

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