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DNS Flag Day 2019

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Sheriff

DNS Flag Day 2019

DNS_Flag.png

 

DNS Flag Day 2019 (1st Feb 2019)

 

 

FAQ

 

1) What is DNS?

- DNS stand for Domain Name System. It like phone book of internet. DNS translates domain names to IP addresses so browsers can load Internet resources.

 

 

 

2) What is EDNS

- EDNS stand for Extension mechanisms for DNS. Its a specification for expanding the size of several parameters of the Domain Name System (DNS) protocol.

 

 

 

3) What is DNS Flag Day 2019?

- What actually happen after 1st Feb 2019 is called “DNS Flag Day”, major open source/public DNS Resolver (eg: CloudfareDNS – 1.1.1.1, Quad9 -9.9.9.9, GoogleDNS – 8.8.8.8/8.8.4.4 etc) will release updates that will stop accommodating non-standard responses. These public DNS resolver have agreed to coordinate removing accommodations for non-compliant DNS implementations from their software or services. 

 

 

 

4) Who will impacted with DNS Flag Day 2019

- This change will affect authoritative dns servers/NS which do not comply either with the original DNS standard or the EDNS standards/protocols. Sites /domain hosted on incompatible authoritative dns servers/NS may become unreachable/slow access through updated public DNS resolver.

 

 

 

5) What are the symptoms for those who affected?

- Sites /domain hosted on incompatible authoritative dns servers/NS may become unreachable/slow access through updated public DNS resolver.

 

 

 

6) What TM can do as an ISP

- Domain Owner: TM can advise domain owner to check with their registrar or where domain owner hosted his domain

- Internet User: By using TM DNS server, it will solve the issue.

1)        TM IPV4 DNS:

         - 202.188.18.188

         - 1.9.1.9

 

2)        TM IPV6 DNS:

        - 2001:e68::b:68

        - 2001:e68::b:69

 

7) Are the user who use VPN will be affected?

- If the VPN pointing to major open source/public DNS Resolver, it will effected when accessing public authoritative dns servers/NS which do not comply the EDNS standards/protocols

 

 

 

9) I’m a domain owner, my domain is having an issue what should I do?

- Same as no 6, advice cust to contact with their registrar or where domain owner hosted his domain

 


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1 REPLY
Sheriff

Re: DNS Flag Day 2019

Read more about DNS Flag Day here https://dnsflagday.net/

 


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