How to architect custom domain functionality The 2019 Stack Overflow Developer Survey Results...

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How to architect custom domain functionality



The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
Come Celebrate our 10 Year Anniversary!Blogger custom domain - pitfalls of domain pointing?Point S3 bucket to top level domain?How does a domain host itself authoritatively?Possible to direct naked domain to external IPSetting up Custom Domain with Tumblr isn't working — Correct A-record and CNAMEWhy can't a CNAME record be used at the apex (aka root) of a domain?Accessing original files on a domain which has A-Record redirect to tumblrHow do I configure a naked domain and a mail server to a cloud hosted app?Registrar nameservers vs. NS records for bare domain?How to point external domain to a subdomain?





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0















I am looking at Tumblr's Custom Domain feature.



It shows 66.6.44.4 as the IP address for an A record, and domains.tumblr.com for a CNAME.



I would like to have the following functionality. If users want a custom domain, they simply enter example.com for the A-name record, and example.com for the CNAME record.



First question is, if that is possible to support somehow.



If not, then why not is the question.



If it is possible, wondering roughly what is required. I have built many web servers but I haven't built a DNS server, and not sure what that even means or what it entails.



Second question is what exactly happens when the user specifies 66.6.44.4 (or in my case, example.com) as the A record, and likewise for the CNAME record. From what I can imagine, the request starts off in the browser as example.com. The A record was published into some domain registrar's system (maybe this is the DNS server, so like GoDaddy if the domain was registered there for a tumblr site), which connects somehow to the external registries of some sort. This makes it possible to discover that 66.6.44.4 is the address we want to go to. Question is, what happens at the server at that endpoint, what it does. It seems it would know the domain being requested, then it would look up your tumblr profile given that info. Not sure.



Basically looking for a brief explanation of how a system such as Tumblr's Custom Domain feature is implemented. What the A and CNAME records are allowed to be (if they can both be example.com for example). And generally how the request to a Tumblr page would be directed by using the A and CNAME records.









share







New contributor




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    0















    I am looking at Tumblr's Custom Domain feature.



    It shows 66.6.44.4 as the IP address for an A record, and domains.tumblr.com for a CNAME.



    I would like to have the following functionality. If users want a custom domain, they simply enter example.com for the A-name record, and example.com for the CNAME record.



    First question is, if that is possible to support somehow.



    If not, then why not is the question.



    If it is possible, wondering roughly what is required. I have built many web servers but I haven't built a DNS server, and not sure what that even means or what it entails.



    Second question is what exactly happens when the user specifies 66.6.44.4 (or in my case, example.com) as the A record, and likewise for the CNAME record. From what I can imagine, the request starts off in the browser as example.com. The A record was published into some domain registrar's system (maybe this is the DNS server, so like GoDaddy if the domain was registered there for a tumblr site), which connects somehow to the external registries of some sort. This makes it possible to discover that 66.6.44.4 is the address we want to go to. Question is, what happens at the server at that endpoint, what it does. It seems it would know the domain being requested, then it would look up your tumblr profile given that info. Not sure.



    Basically looking for a brief explanation of how a system such as Tumblr's Custom Domain feature is implemented. What the A and CNAME records are allowed to be (if they can both be example.com for example). And generally how the request to a Tumblr page would be directed by using the A and CNAME records.









    share







    New contributor




    Lokasa Mapati is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0








      I am looking at Tumblr's Custom Domain feature.



      It shows 66.6.44.4 as the IP address for an A record, and domains.tumblr.com for a CNAME.



      I would like to have the following functionality. If users want a custom domain, they simply enter example.com for the A-name record, and example.com for the CNAME record.



      First question is, if that is possible to support somehow.



      If not, then why not is the question.



      If it is possible, wondering roughly what is required. I have built many web servers but I haven't built a DNS server, and not sure what that even means or what it entails.



      Second question is what exactly happens when the user specifies 66.6.44.4 (or in my case, example.com) as the A record, and likewise for the CNAME record. From what I can imagine, the request starts off in the browser as example.com. The A record was published into some domain registrar's system (maybe this is the DNS server, so like GoDaddy if the domain was registered there for a tumblr site), which connects somehow to the external registries of some sort. This makes it possible to discover that 66.6.44.4 is the address we want to go to. Question is, what happens at the server at that endpoint, what it does. It seems it would know the domain being requested, then it would look up your tumblr profile given that info. Not sure.



      Basically looking for a brief explanation of how a system such as Tumblr's Custom Domain feature is implemented. What the A and CNAME records are allowed to be (if they can both be example.com for example). And generally how the request to a Tumblr page would be directed by using the A and CNAME records.









      share







      New contributor




      Lokasa Mapati is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I am looking at Tumblr's Custom Domain feature.



      It shows 66.6.44.4 as the IP address for an A record, and domains.tumblr.com for a CNAME.



      I would like to have the following functionality. If users want a custom domain, they simply enter example.com for the A-name record, and example.com for the CNAME record.



      First question is, if that is possible to support somehow.



      If not, then why not is the question.



      If it is possible, wondering roughly what is required. I have built many web servers but I haven't built a DNS server, and not sure what that even means or what it entails.



      Second question is what exactly happens when the user specifies 66.6.44.4 (or in my case, example.com) as the A record, and likewise for the CNAME record. From what I can imagine, the request starts off in the browser as example.com. The A record was published into some domain registrar's system (maybe this is the DNS server, so like GoDaddy if the domain was registered there for a tumblr site), which connects somehow to the external registries of some sort. This makes it possible to discover that 66.6.44.4 is the address we want to go to. Question is, what happens at the server at that endpoint, what it does. It seems it would know the domain being requested, then it would look up your tumblr profile given that info. Not sure.



      Basically looking for a brief explanation of how a system such as Tumblr's Custom Domain feature is implemented. What the A and CNAME records are allowed to be (if they can both be example.com for example). And generally how the request to a Tumblr page would be directed by using the A and CNAME records.







      domain-name-system ip





      share







      New contributor




      Lokasa Mapati is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







      New contributor




      Lokasa Mapati is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






      New contributor




      Lokasa Mapati is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 5 mins ago









      Lokasa MapatiLokasa Mapati

      11




      11




      New contributor




      Lokasa Mapati is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Lokasa Mapati is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Lokasa Mapati is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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