'www'CNAME没有正确解析,root A记录工作正常(对于Heroku)

我在使用WHM / Cpanel为我的heroku应用程序设置CNAME记录时遇到问题。 我已按如下方式设置记录 - 请参阅图像链接。 dapcards.com正在解决heroku应用程序没有问题。 但是,www.dapcards.com失败了:
> host dapcards.com
dapcards.com has address 75.101.145.87
dapcards.com has address 75.101.163.44
dapcards.com has address 174.129.212.2
dapcards.com mail is handled by 0 dapcards.com.
> host www.dapcards.com
Host www.dapcards.com not found: 3(NXDOMAIN)
Host www.dapcards.com not found: 3(NXDOMAIN)
当我使用dnsstuff.com工具时,似乎可以使用proxy.heroku.com,但会产生错误:
[BOGUS ANSWER: This server is not authoritative for proxy.heroku.com.: 
it refers back to the root servers]
http://www.dnsstuff.com/tools/legacy/?formaction=DNSLOOKUP&ToolFormName=customlookup&name=www.dapcards.com&r=235660&detail=0&type=CNAME 我显然在这里遗漏了一些东西。有没有人有任何想法?非常感谢一些建议! 干杯, 抢     
已邀请:
也许你没有等待足够的时间来传播DNS?看起来很好:
$ host www.dapcards.com
www.dapcards.com is an alias for proxy.heroku.com.
proxy.heroku.com has address 50.16.233.102
proxy.heroku.com has address 174.129.212.2
proxy.heroku.com has address 75.101.145.87
$ host dapcards.com
dapcards.com has address 75.101.145.87
dapcards.com has address 75.101.163.44
dapcards.com has address 174.129.212.2
dapcards.com mail is handled by 0 dapcards.com.
    
我刚刚在我的浏览器中访问了www.dapcards.com和dapcards.com网站,该网站呈现得很好:)     

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