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Hmm, on another PC, it works, too. There is nslookup quality.embarcadero.com =

On my PC, quality.embarcadero.com resolves to, which does not work...


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Hmm, it seems embarcadero is using TTL 3 days (!) for that record, so if they did change the address recently, it is still in the caching DNS.


# dig quality.embarcadero.com @ns1.navidns.net

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6_10.3 <<>> quality.embarcadero.com @ns1.navidns.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17856
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 6
;; WARNING: recursion requested but not available

;quality.embarcadero.com.       IN      A

quality.embarcadero.com. 259200 IN      A


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10 hours ago, Turan Can said:

There is nothing wrong.


Command ptr

ipconfig /flushdns


Usually when one has to change important DNS record, he wants to minimalize problems for users. Here is a description how to do it in a better way than just to change record with TTL 3 days: https://www.dnswatch.info/articles/dns-update


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