logo
chat

Chat
Online

chat

Inquiry

chat

Email

chat
Home > Two points should be paid attention to when wearing safety helmet correctly

Two points should be paid attention to when wearing safety helmet correctly

Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.

Why choose us

Solutions to meet different needs

Solutions to meet different needs

We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.

Highly specialized team and products

Highly specialized team and products

Professional team work and production line which can make nice quality in short time.

We trade with an open mind

We trade with an open mind

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation.

24 / 7 guaranteed service

24 / 7 guaranteed service

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

Certificate of honor


CONTACT USCustomer satisfaction is our first goal!

Consultation hotline:0086-15900663312

Address:No. 3888, Hutai Road, Baoshan District, Shanghai, China

Two points should be paid attention to when wearing safety helmet correctly

NS Lookup - Lookup Nameserver of any Domain - DNS Checker

NS Lookup - Lookup Nameserver of any Domain - DNS Checker

Nameserver lookup or NS Lookup is a tool for getting name ,server, records of any domain name. NS is a record type of ,DNS,, and it is set up via a hosting provider. Whenever a browser sends a ,DNS, request to ,DNS server,, it sends back the nameserver records, and the name ,servers, are then used to get real IP address behind a domain name.

Get Price
How to Change DNS Server Settings in Mac OS X

How to Change DNS Server Settings in Mac OS X

5/12/2015, · Having appropriate ,DNS, settings is essential for a ,Mac, to be able to successfully access internet domains, whether it be a website like https://,osxdaily.com, or a remote ,server,. ,DNS,, which stands for ,Domain Name Server,, essentially translates numerical IP addresses to the readable domains that most internet users are familiar with, and thus without properly functioning ,DNS servers, you often ...

Get Price
What's My DNS Server?

What's My DNS Server?

What determines which ,DNS server my, computer uses? There are several settings that determine which ,DNS server, your computer will use: Your ,DNS server, can be configured in the network settings of your Operating System. If you don't configure ,DNS, in your Operating System, then you can set it in the router.

Get Price
How to Change Your DNS for Safer Faster Browsing

How to Change Your DNS for Safer Faster Browsing

How to Change the ,DNS Servers, on a ,Mac,. Open System Preferences and click on the Network icon. Unlock the pane if necessary by clicking on the lock icon and entering your password. Click on the Advanced button, then on the ,DNS, tab. Click the + button and add at least two ,DNS servers,, then press OK and Apply. Changing ,DNS servers, on your ,Mac

Get Price
Configuring Your Own DNS Server on Mac OS X — Nate McIntyre

Configuring Your Own DNS Server on Mac OS X — Nate McIntyre

25/8/2016, · ,My server, would be ,my, newly reclaimed ,Mac, Mini running the latest version of OS X (El Capitan 10.11.x). With a good recommendation from a good friend and Sysadmin from work I set out to build ,my, own ,DNS server, with 'dnsmasq' and found it to be surprisingly easy.

Get Price
How to Find Out What DNS Servers Your PC Mobile and ...

How to Find Out What DNS Servers Your PC Mobile and ...

25/10/2018, · If you make changes to the ,DNS server, in your router, then your ISP ,DNS, is ignored and all devices connected to the router will start using the ,DNS server, of the router. When you set custom ,DNS, in your device (it can be a PC, Laptop, ,Mac,, PS4, Android, iOS or any device with internet access), then it will use the device ,DNS, and it will ignore both router and ISP ,DNS, address.

Get Price
How to Find Out What DNS Servers Your PC Mobile and ...

How to Find Out What DNS Servers Your PC Mobile and ...

27/3/2020, · If you make changes to the ,DNS server, in your router, then your ISP ,DNS, is ignored and all devices connected to the router will start using the ,DNS server, of the router. When you set custom ,DNS, in your device (it can be a PC, Laptop, ,Mac,, PS4, Android, iOS or any device with internet access), then it will use the device ,DNS, and it will ignore both router and ISP ,DNS, address.

Get Price
How to Use OpenDNS or Google DNS on Your Mac

How to Use OpenDNS or Google DNS on Your Mac

11/9/2017, · If you want to use Google’s ,DNS servers,, you can add the following two items to the list: 8.8.8.8; 8.8.4.4; If you’d rather use OpenDNS instead, which has lots of extra features, you can use the following two entries: 208.67.222.222; 208.67.220.220; That’s pretty much all there is to it! Click OK and your ,Mac, will be using the new ,DNS, ...

Get Price
How to Find Out What DNS Server Am I Using? | TechWiser

How to Find Out What DNS Server Am I Using? | TechWiser

And it’ll show your current ,DNS server,. But this method is not error-free. Even after changing the ,DNS,, it still picks up old ,DNS, from the cache. For instance, I changed ,my, computer’s ,DNS, from Google ,DNS, to Cloudflare, but the site still says, I was using Google ,DNS, – even after restarting ,my Mac,.

Get Price
How to Change DNS Server Settings in Mac OS?

How to Change DNS Server Settings in Mac OS?

5. Choose the “,DNS,” tab at the top of the screen to edit, add, or remove ,DNS,. Add a new ,DNS server,: click on the [+] plus button. Edit an existing ,DNS server,: click twice on the ,DNS, IP address you wish to change. Remove a ,DNS server,: select a ,DNS server, IP address and then click either the [-] minus button or hit the delete key. 6.

Get Price