域名工具
免费域名工具，用于检查域名年龄、权重、DNS记录、托管、IP位置和黑名单状态。实时结果，无需注册。立即试用！
免费域名工具 – WHOIS、DNS、IP和托管
免费域名工具 – WHOIS、DNS、IP和托管
- 🧰 9 free tools
- 💸 100% free
- 🔓 无需注册
- 📱 适用于任何设备
- 🔒 Secure HTTPS
Domain tools reveal how a website is set up – when the domain was registered, where it is hosted, which DNS records it uses and whether its IP is blacklisted.
All 9 Free Domains Tools
域名年龄检查器Check the age of any domain name – creation date, expiry date and how many years it has been registered
域名搜索Search for available domain names and get ideas for your brand or blog
域名托管检查器Find out who hosts any website – hosting provider, IP address and server location
域名权重检查器Check domain authority (DA), page authority and backlink strength of any website for free
域名转 IPFind the IP address of any domain name instantly
查找 DNS 记录Look up all DNS records of a domain – A, AAAA, CNAME, MX, NS, TXT and SOA
黑名单检查器Check whether your domain or IP address is listed on email spam blacklists
我的 IP 地址是什么See your public IP address instantly, along with basic location and network information
IP 地址位置Find the approximate location of any IP address – country, region, city and ISP
| Tool | What it does | Input / Best for |
|---|---|---|
| 域名年龄检查器 | Check the age of any domain name – creation date, expiry date and how many years it has been registered | domain or IP → report |
| 域名搜索 | Search for available domain names and get ideas for your brand or blog | domain or IP → report |
| 域名托管检查器 | Find out who hosts any website – hosting provider, IP address and server location | domain or IP → report |
| 域名权重检查器 | Check domain authority (DA), page authority and backlink strength of any website for free | domain or IP → report |
| 域名转 IP | Find the IP address of any domain name instantly | domain name → IP |
| 查找 DNS 记录 | Look up all DNS records of a domain – A, AAAA, CNAME, MX, NS, TXT and SOA | domain or IP → report |
| 黑名单检查器 | Check whether your domain or IP address is listed on email spam blacklists | domain or IP → report |
| 我的 IP 地址是什么 | See your public IP address instantly, along with basic location and network information | domain or IP → report |
| IP 地址位置 | Find the approximate location of any IP address – country, region, city and ISP | domain or IP → report |
域名年龄检查器
Domain age shows how long a domain has existed. Older domains often have more history and backlinks, so domain age is a helpful signal when buying domains or analysing competitors.
Open Domain Age Checker →域名搜索
A domain name search checks whether a name is registered. Finding a short, memorable and available domain is the first step to building a website.
Open Domain Name Search →域名托管检查器
A hosting checker looks up a domain's IP address and identifies the company that owns the server. It is useful for competitor research and finding reliable hosts.
Open Domain Hosting Checker →域名权重检查器
Domain Authority is a score that predicts how well a website may rank based mainly on its backlink profile. Higher scores usually mean stronger link equity.
Open Domain Authority Checker →How to Use Our Domains Tools
- Enter the domain name, URL or IP address in the input box.
- Complete the captcha if one is shown.
- Click the check button.
- Review the detailed results and save them if needed.
Domains Tools – Quick Reference
| DNS record | What it does | Example |
|---|---|---|
| A | Points a domain to an IPv4 address | 203.0.113.10 |
| AAAA | Points a domain to an IPv6 address | 2001:db8::10 |
| CNAME | Alias of another domain | www → yoursite.com |
| MX | Mail server for the domain | mail.yoursite.com |
| TXT | Text records such as SPF | v=spf1 ... ~all |
| NS | Name servers of the domain | ns1.example.com |
Why Use Our Domain Tools?
- Real-time lookup Data is fetched live when you run the check.
- Clear report Results are displayed in a simple, readable layout.
- Free domain research Use the tool without registration.
- Helpful for SEO Understand domains, hosting and IPs before buying or linking.
- Works on mobile Run checks from any device.
- Fast Most lookups finish in a few seconds.
Tips for Using Domains Tools
- Enter the domain without extra paths for the cleanest result.
- Run the check again later if a server is temporarily unreachable.
- Combine this tool with our other domain tools for a complete picture.
- Keep records of results when you are evaluating a domain to buy.
Domains Tools – Worked Example
Example: after moving a website to Hostinger, you update the A record to the new server IP. A DNS lookup shows whether the change is live; if the old IP still appears, wait for propagation – usually minutes to a few hours.
Domains Tools Glossary
- WHOIS
- A public record of who registered a domain and when.
- DNS
- The Domain Name System that turns names like yoursite.com into IP addresses.
- IP address
- A numeric address that identifies a server on the internet.
- Propagation
- The time it takes for DNS changes to update around the world.
- Blacklist (DNSBL)
- A list of IPs or domains reported for sending spam.
Helpful Guides for Domains Tools
- 📘How to Check Domain Age and Why It Matters for SEOFind out when a domain was registered and how old it is, what WHOIS data shows and how much domain age really matters for SEO.
- 📘DNS Records Explained: A, MX, CNAME, TXT and NSA, AAAA, CNAME, MX, NS, TXT and SOA records explained simply: what each DNS record does, real examples and how to look them up for any domain.
- 📘How to Find the IP Address and Host of Any WebsiteFind the IP address, hosting company and server location of any website in seconds, and learn what that information can tell you.
- 📘How to Check if Your Domain or IP Is BlacklistedCheck if your domain's IP is on about 80 spam blacklists, why it happens and how to get delisted so your emails reach the inbox again.
常见问题解答
Are these domain tools free?
Yes. Every tool in this category is free to use on pdfseotools.com with no sign-up.
Do the tools work on mobile?
Yes. They work in any modern browser on Android, iPhone, Windows and Mac.
Is my data safe?
Yes. Connections use HTTPS and uploaded files are removed after processing.
我需要安装软件或创建账户吗？
No. Everything runs in your web browser on Windows, Mac, Android and iPhone – there is nothing to download, nothing to install and no account to create.
Is there a limit on how often I can use these tools?
您可以根据需要频繁使用这些工具来处理日常任务。非常大的文件或极端使用可能会受到限制，以保持服务的快速运行，让每个人都能受益。
Where can I find more free tools?
Open the menu or the categories on pdfseotools.com to browse 150+ free tools for PDFs, images, text, SEO and development.